18138472

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:218

約数の個数: 64

約数和(自身を含む): 39283200

約数和(自身を除く): 21144728

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 61, 62, 88, 109, 122, 124, 218, 244, 248, 341, 436, 488, 671, 682, 872, 1199, 1342, 1364, 1891, 2398, 2684, 2728, 3379, 3782, 4796, 5368, 6649, 6758, 7564, 9592, 13298, 13516, 15128, 20801, 26596, 27032, 37169, 41602, 53192, 73139, 74338, 83204, 146278, 148676, 166408, 206119, 292556, 297352, 412238, 585112, 824476, 1648952, 2267309, 4534618, 9069236, 18138472]

約数ペア:

[(1, 18138472), (2, 9069236), (4, 4534618), (8, 2267309), (11, 1648952), (22, 824476), (31, 585112), (44, 412238), (61, 297352), (62, 292556), (88, 206119), (109, 166408), (122, 148676), (124, 146278), (218, 83204), (244, 74338), (248, 73139), (341, 53192), (436, 41602), (488, 37169), (671, 27032), (682, 26596), (872, 20801), (1199, 15128), (1342, 13516), (1364, 13298), (1891, 9592), (2398, 7564), (2684, 6758), (2728, 6649), (3379, 5368), (3782, 4796)]