19051113940

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^2\times {\mathrm{2269}}^1$

素因数の和:2509

約数の個数: 72

約数和(自身を含む): 41243511960

約数和(自身を除く): 22192398020

約数列:

[1, 2, 4, 5, 10, 20, 53, 89, 106, 178, 212, 265, 356, 445, 530, 890, 1060, 1780, 2269, 4538, 4717, 7921, 9076, 9434, 11345, 15842, 18868, 22690, 23585, 31684, 39605, 45380, 47170, 79210, 94340, 120257, 158420, 201941, 240514, 403882, 419813, 481028, 601285, 807764, 839626, 1009705, 1202570, 1679252, 2019410, 2099065, 2405140, 4038820, 4198130, 8396260, 10702873, 17972749, 21405746, 35945498, 42811492, 53514365, 71890996, 89863745, 107028730, 179727490, 214057460, 359454980, 952555697, 1905111394, 3810222788, 4762778485, 9525556970, 19051113940]

約数ペア:

[(1, 19051113940), (2, 9525556970), (4, 4762778485), (5, 3810222788), (10, 1905111394), (20, 952555697), (53, 359454980), (89, 214057460), (106, 179727490), (178, 107028730), (212, 89863745), (265, 71890996), (356, 53514365), (445, 42811492), (530, 35945498), (890, 21405746), (1060, 17972749), (1780, 10702873), (2269, 8396260), (4538, 4198130), (4717, 4038820), (7921, 2405140), (9076, 2099065), (9434, 2019410), (11345, 1679252), (15842, 1202570), (18868, 1009705), (22690, 839626), (23585, 807764), (31684, 601285), (39605, 481028), (45380, 419813), (47170, 403882), (79210, 240514), (94340, 201941), (120257, 158420)]