18778374

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{461}}^1$

素因数の和:573

約数の個数: 48

約数和(自身を含む): 42666624

約数和(自身を除く): 23888250

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 73, 93, 146, 186, 219, 279, 438, 461, 558, 657, 922, 1314, 1383, 2263, 2766, 4149, 4526, 6789, 8298, 13578, 14291, 20367, 28582, 33653, 40734, 42873, 67306, 85746, 100959, 128619, 201918, 257238, 302877, 605754, 1043243, 2086486, 3129729, 6259458, 9389187, 18778374]

約数ペア:

[(1, 18778374), (2, 9389187), (3, 6259458), (6, 3129729), (9, 2086486), (18, 1043243), (31, 605754), (62, 302877), (73, 257238), (93, 201918), (146, 128619), (186, 100959), (219, 85746), (279, 67306), (438, 42873), (461, 40734), (558, 33653), (657, 28582), (922, 20367), (1314, 14291), (1383, 13578), (2263, 8298), (2766, 6789), (4149, 4526)]