17690988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{4481}}^1$

素因数の和:4542

約数の個数: 48

約数和(自身を含む): 48190464

約数和(自身を除く): 30499476

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 84, 94, 141, 188, 282, 329, 564, 658, 987, 1316, 1974, 3948, 4481, 8962, 13443, 17924, 26886, 31367, 53772, 62734, 94101, 125468, 188202, 210607, 376404, 421214, 631821, 842428, 1263642, 1474249, 2527284, 2948498, 4422747, 5896996, 8845494, 17690988]

約数ペア:

[(1, 17690988), (2, 8845494), (3, 5896996), (4, 4422747), (6, 2948498), (7, 2527284), (12, 1474249), (14, 1263642), (21, 842428), (28, 631821), (42, 421214), (47, 376404), (84, 210607), (94, 188202), (141, 125468), (188, 94101), (282, 62734), (329, 53772), (564, 31367), (658, 26886), (987, 17924), (1316, 13443), (1974, 8962), (3948, 4481)]