18775428

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{863}}^1$

素因数の和:921

約数の個数: 72

約数和(自身を含む): 52399872

約数和(自身を除く): 33624444

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 49, 74, 84, 98, 111, 147, 148, 196, 222, 259, 294, 444, 518, 588, 777, 863, 1036, 1554, 1726, 1813, 2589, 3108, 3452, 3626, 5178, 5439, 6041, 7252, 10356, 10878, 12082, 18123, 21756, 24164, 31931, 36246, 42287, 63862, 72492, 84574, 95793, 126861, 127724, 169148, 191586, 223517, 253722, 383172, 447034, 507444, 670551, 894068, 1341102, 1564619, 2682204, 3129238, 4693857, 6258476, 9387714, 18775428]

約数ペア:

[(1, 18775428), (2, 9387714), (3, 6258476), (4, 4693857), (6, 3129238), (7, 2682204), (12, 1564619), (14, 1341102), (21, 894068), (28, 670551), (37, 507444), (42, 447034), (49, 383172), (74, 253722), (84, 223517), (98, 191586), (111, 169148), (147, 127724), (148, 126861), (196, 95793), (222, 84574), (259, 72492), (294, 63862), (444, 42287), (518, 36246), (588, 31931), (777, 24164), (863, 21756), (1036, 18123), (1554, 12082), (1726, 10878), (1813, 10356), (2589, 7252), (3108, 6041), (3452, 5439), (3626, 5178)]