16405218

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:359

約数の個数: 48

約数和(自身を含む): 36830976

約数和(自身を除く): 20425758

約数列:

[1, 2, 3, 6, 9, 18, 61, 67, 122, 134, 183, 201, 223, 366, 402, 446, 549, 603, 669, 1098, 1206, 1338, 2007, 4014, 4087, 8174, 12261, 13603, 14941, 24522, 27206, 29882, 36783, 40809, 44823, 73566, 81618, 89646, 122427, 134469, 244854, 268938, 911401, 1822802, 2734203, 5468406, 8202609, 16405218]

約数ペア:

[(1, 16405218), (2, 8202609), (3, 5468406), (6, 2734203), (9, 1822802), (18, 911401), (61, 268938), (67, 244854), (122, 134469), (134, 122427), (183, 89646), (201, 81618), (223, 73566), (366, 44823), (402, 40809), (446, 36783), (549, 29882), (603, 27206), (669, 24522), (1098, 14941), (1206, 13603), (1338, 12261), (2007, 8174), (4014, 4087)]