18719580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{251}}^1$

素因数の和:387

約数の個数: 96

約数和(自身を含む): 57915648

約数和(自身を除く): 39196068

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 113, 132, 165, 220, 226, 251, 330, 339, 452, 502, 565, 660, 678, 753, 1004, 1130, 1243, 1255, 1356, 1506, 1695, 2260, 2486, 2510, 2761, 3012, 3390, 3729, 3765, 4972, 5020, 5522, 6215, 6780, 7458, 7530, 8283, 11044, 12430, 13805, 14916, 15060, 16566, 18645, 24860, 27610, 28363, 33132, 37290, 41415, 55220, 56726, 74580, 82830, 85089, 113452, 141815, 165660, 170178, 283630, 311993, 340356, 425445, 567260, 623986, 850890, 935979, 1247972, 1559965, 1701780, 1871958, 3119930, 3743916, 4679895, 6239860, 9359790, 18719580]

約数ペア:

[(1, 18719580), (2, 9359790), (3, 6239860), (4, 4679895), (5, 3743916), (6, 3119930), (10, 1871958), (11, 1701780), (12, 1559965), (15, 1247972), (20, 935979), (22, 850890), (30, 623986), (33, 567260), (44, 425445), (55, 340356), (60, 311993), (66, 283630), (110, 170178), (113, 165660), (132, 141815), (165, 113452), (220, 85089), (226, 82830), (251, 74580), (330, 56726), (339, 55220), (452, 41415), (502, 37290), (565, 33132), (660, 28363), (678, 27610), (753, 24860), (1004, 18645), (1130, 16566), (1243, 15060), (1255, 14916), (1356, 13805), (1506, 12430), (1695, 11044), (2260, 8283), (2486, 7530), (2510, 7458), (2761, 6780), (3012, 6215), (3390, 5522), (3729, 5020), (3765, 4972)]