19742984

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{811}}^1$

素因数の和:1013

約数の個数: 32

約数和(自身を含む): 39463200

約数和(自身を除く): 19720216

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 179, 358, 716, 811, 1432, 1622, 3043, 3244, 6086, 6488, 12172, 13787, 24344, 27574, 55148, 110296, 145169, 290338, 580676, 1161352, 2467873, 4935746, 9871492, 19742984]

約数ペア:

[(1, 19742984), (2, 9871492), (4, 4935746), (8, 2467873), (17, 1161352), (34, 580676), (68, 290338), (136, 145169), (179, 110296), (358, 55148), (716, 27574), (811, 24344), (1432, 13787), (1622, 12172), (3043, 6488), (3244, 6086)]