19949296

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1033}}^1$

素因数の和:1129

約数の個数: 40

約数和(自身を含む): 41541984

約数和(自身を除く): 21592688

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 71, 136, 142, 272, 284, 568, 1033, 1136, 1207, 2066, 2414, 4132, 4828, 8264, 9656, 16528, 17561, 19312, 35122, 70244, 73343, 140488, 146686, 280976, 293372, 586744, 1173488, 1246831, 2493662, 4987324, 9974648, 19949296]

約数ペア:

[(1, 19949296), (2, 9974648), (4, 4987324), (8, 2493662), (16, 1246831), (17, 1173488), (34, 586744), (68, 293372), (71, 280976), (136, 146686), (142, 140488), (272, 73343), (284, 70244), (568, 35122), (1033, 19312), (1136, 17561), (1207, 16528), (2066, 9656), (2414, 8264), (4132, 4828)]