18711618

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{1087}}^1$

素因数の和:1262

約数の個数: 32

約数和(自身を含む): 39690240

約数和(自身を除く): 20978622

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 151, 302, 453, 906, 1087, 2174, 2869, 3261, 5738, 6522, 8607, 17214, 20653, 41306, 61959, 123918, 164137, 328274, 492411, 984822, 3118603, 6237206, 9355809, 18711618]

約数ペア:

[(1, 18711618), (2, 9355809), (3, 6237206), (6, 3118603), (19, 984822), (38, 492411), (57, 328274), (114, 164137), (151, 123918), (302, 61959), (453, 41306), (906, 20653), (1087, 17214), (2174, 8607), (2869, 6522), (3261, 5738)]