18915971372

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{9511}}^1$

素因数の和:9782

約数の個数: 48

約数和(自身を含む): 34517145600

約数和(自身を除く): 15601174228

約数列:

[1, 2, 4, 47, 71, 94, 142, 149, 188, 284, 298, 596, 3337, 6674, 7003, 9511, 10579, 13348, 14006, 19022, 21158, 28012, 38044, 42316, 447017, 497213, 675281, 894034, 994426, 1350562, 1417139, 1788068, 1988852, 2701124, 2834278, 5668556, 31738207, 63476414, 66605533, 100616869, 126952828, 133211066, 201233738, 266422132, 402467476, 4728992843, 9457985686, 18915971372]

約数ペア:

[(1, 18915971372), (2, 9457985686), (4, 4728992843), (47, 402467476), (71, 266422132), (94, 201233738), (142, 133211066), (149, 126952828), (188, 100616869), (284, 66605533), (298, 63476414), (596, 31738207), (3337, 5668556), (6674, 2834278), (7003, 2701124), (9511, 1988852), (10579, 1788068), (13348, 1417139), (14006, 1350562), (19022, 994426), (21158, 894034), (28012, 675281), (38044, 497213), (42316, 447017)]