19881602

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1451}}^1$

素因数の和:1514

約数の個数: 32

約数和(自身を含む): 35126784

約数和(自身を除く): 15245182

約数列:

[1, 2, 13, 17, 26, 31, 34, 62, 221, 403, 442, 527, 806, 1054, 1451, 2902, 6851, 13702, 18863, 24667, 37726, 44981, 49334, 89962, 320671, 584753, 641342, 764677, 1169506, 1529354, 9940801, 19881602]

約数ペア:

[(1, 19881602), (2, 9940801), (13, 1529354), (17, 1169506), (26, 764677), (31, 641342), (34, 584753), (62, 320671), (221, 89962), (403, 49334), (442, 44981), (527, 37726), (806, 24667), (1054, 18863), (1451, 13702), (2902, 6851)]