19646760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1231}}^1$

素因数の和:1271

約数の個数: 128

約数和(自身を含む): 70963200

約数和(自身を除く): 51316440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1231, 1330, 1596, 1995, 2280, 2462, 2660, 3192, 3693, 3990, 4924, 5320, 6155, 7386, 7980, 8617, 9848, 12310, 14772, 15960, 17234, 18465, 23389, 24620, 25851, 29544, 34468, 36930, 43085, 46778, 49240, 51702, 68936, 70167, 73860, 86170, 93556, 103404, 116945, 129255, 140334, 147720, 163723, 172340, 187112, 206808, 233890, 258510, 280668, 327446, 344680, 350835, 467780, 491169, 517020, 561336, 654892, 701670, 818615, 935560, 982338, 1034040, 1309784, 1403340, 1637230, 1964676, 2455845, 2806680, 3274460, 3929352, 4911690, 6548920, 9823380, 19646760]

約数ペア:

[(1, 19646760), (2, 9823380), (3, 6548920), (4, 4911690), (5, 3929352), (6, 3274460), (7, 2806680), (8, 2455845), (10, 1964676), (12, 1637230), (14, 1403340), (15, 1309784), (19, 1034040), (20, 982338), (21, 935560), (24, 818615), (28, 701670), (30, 654892), (35, 561336), (38, 517020), (40, 491169), (42, 467780), (56, 350835), (57, 344680), (60, 327446), (70, 280668), (76, 258510), (84, 233890), (95, 206808), (105, 187112), (114, 172340), (120, 163723), (133, 147720), (140, 140334), (152, 129255), (168, 116945), (190, 103404), (210, 93556), (228, 86170), (266, 73860), (280, 70167), (285, 68936), (380, 51702), (399, 49240), (420, 46778), (456, 43085), (532, 36930), (570, 34468), (665, 29544), (760, 25851), (798, 24620), (840, 23389), (1064, 18465), (1140, 17234), (1231, 15960), (1330, 14772), (1596, 12310), (1995, 9848), (2280, 8617), (2462, 7980), (2660, 7386), (3192, 6155), (3693, 5320), (3990, 4924)]