18876438

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4049}}^1$

素因数の和:4101

約数の個数: 48

約数和(自身を含む): 48016800

約数和(自身を除く): 29140362

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 63, 74, 111, 126, 222, 259, 333, 518, 666, 777, 1554, 2331, 4049, 4662, 8098, 12147, 24294, 28343, 36441, 56686, 72882, 85029, 149813, 170058, 255087, 299626, 449439, 510174, 898878, 1048691, 1348317, 2097382, 2696634, 3146073, 6292146, 9438219, 18876438]

約数ペア:

[(1, 18876438), (2, 9438219), (3, 6292146), (6, 3146073), (7, 2696634), (9, 2097382), (14, 1348317), (18, 1048691), (21, 898878), (37, 510174), (42, 449439), (63, 299626), (74, 255087), (111, 170058), (126, 149813), (222, 85029), (259, 72882), (333, 56686), (518, 36441), (666, 28343), (777, 24294), (1554, 12147), (2331, 8098), (4049, 4662)]