18856740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:194

約数の個数: 192

約数和(自身を含む): 67737600

約数和(自身を除く): 48880860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 19, 20, 21, 28, 30, 34, 35, 38, 42, 51, 57, 60, 68, 70, 76, 84, 85, 95, 102, 105, 114, 119, 133, 139, 140, 170, 190, 204, 210, 228, 238, 255, 266, 278, 285, 323, 340, 357, 380, 399, 417, 420, 476, 510, 532, 556, 570, 595, 646, 665, 695, 714, 798, 834, 969, 973, 1020, 1140, 1190, 1292, 1330, 1390, 1428, 1596, 1615, 1668, 1785, 1938, 1946, 1995, 2085, 2261, 2363, 2380, 2641, 2660, 2780, 2919, 3230, 3570, 3876, 3892, 3990, 4170, 4522, 4726, 4845, 4865, 5282, 5838, 6460, 6783, 7089, 7140, 7923, 7980, 8340, 9044, 9452, 9690, 9730, 10564, 11305, 11676, 11815, 13205, 13566, 14178, 14595, 15846, 16541, 18487, 19380, 19460, 22610, 23630, 26410, 27132, 28356, 29190, 31692, 33082, 33915, 35445, 36974, 39615, 44897, 45220, 47260, 49623, 52820, 55461, 58380, 66164, 67830, 70890, 73948, 79230, 82705, 89794, 92435, 99246, 110922, 134691, 135660, 141780, 158460, 165410, 179588, 184870, 198492, 221844, 224485, 248115, 269382, 277305, 314279, 330820, 369740, 448970, 496230, 538764, 554610, 628558, 673455, 897940, 942837, 992460, 1109220, 1257116, 1346910, 1571395, 1885674, 2693820, 3142790, 3771348, 4714185, 6285580, 9428370, 18856740]

約数ペア:

[(1, 18856740), (2, 9428370), (3, 6285580), (4, 4714185), (5, 3771348), (6, 3142790), (7, 2693820), (10, 1885674), (12, 1571395), (14, 1346910), (15, 1257116), (17, 1109220), (19, 992460), (20, 942837), (21, 897940), (28, 673455), (30, 628558), (34, 554610), (35, 538764), (38, 496230), (42, 448970), (51, 369740), (57, 330820), (60, 314279), (68, 277305), (70, 269382), (76, 248115), (84, 224485), (85, 221844), (95, 198492), (102, 184870), (105, 179588), (114, 165410), (119, 158460), (133, 141780), (139, 135660), (140, 134691), (170, 110922), (190, 99246), (204, 92435), (210, 89794), (228, 82705), (238, 79230), (255, 73948), (266, 70890), (278, 67830), (285, 66164), (323, 58380), (340, 55461), (357, 52820), (380, 49623), (399, 47260), (417, 45220), (420, 44897), (476, 39615), (510, 36974), (532, 35445), (556, 33915), (570, 33082), (595, 31692), (646, 29190), (665, 28356), (695, 27132), (714, 26410), (798, 23630), (834, 22610), (969, 19460), (973, 19380), (1020, 18487), (1140, 16541), (1190, 15846), (1292, 14595), (1330, 14178), (1390, 13566), (1428, 13205), (1596, 11815), (1615, 11676), (1668, 11305), (1785, 10564), (1938, 9730), (1946, 9690), (1995, 9452), (2085, 9044), (2261, 8340), (2363, 7980), (2380, 7923), (2641, 7140), (2660, 7089), (2780, 6783), (2919, 6460), (3230, 5838), (3570, 5282), (3876, 4865), (3892, 4845), (3990, 4726), (4170, 4522)]