19809856

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1481}}^1$

素因数の和:1523

約数の個数: 56

約数和(自身を含む): 45171360

約数和(自身を除く): 25361504

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 64, 76, 88, 152, 176, 209, 304, 352, 418, 608, 704, 836, 1216, 1481, 1672, 2962, 3344, 5924, 6688, 11848, 13376, 16291, 23696, 28139, 32582, 47392, 56278, 65164, 94784, 112556, 130328, 225112, 260656, 309529, 450224, 521312, 619058, 900448, 1042624, 1238116, 1800896, 2476232, 4952464, 9904928, 19809856]

約数ペア:

[(1, 19809856), (2, 9904928), (4, 4952464), (8, 2476232), (11, 1800896), (16, 1238116), (19, 1042624), (22, 900448), (32, 619058), (38, 521312), (44, 450224), (64, 309529), (76, 260656), (88, 225112), (152, 130328), (176, 112556), (209, 94784), (304, 65164), (352, 56278), (418, 47392), (608, 32582), (704, 28139), (836, 23696), (1216, 16291), (1481, 13376), (1672, 11848), (2962, 6688), (3344, 5924)]