18763060

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{571}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 41513472

約数和(自身を除く): 22750412

約数列:

[1, 2, 4, 5, 10, 20, 31, 53, 62, 106, 124, 155, 212, 265, 310, 530, 571, 620, 1060, 1142, 1643, 2284, 2855, 3286, 5710, 6572, 8215, 11420, 16430, 17701, 30263, 32860, 35402, 60526, 70804, 88505, 121052, 151315, 177010, 302630, 354020, 605260, 938153, 1876306, 3752612, 4690765, 9381530, 18763060]

約数ペア:

[(1, 18763060), (2, 9381530), (4, 4690765), (5, 3752612), (10, 1876306), (20, 938153), (31, 605260), (53, 354020), (62, 302630), (106, 177010), (124, 151315), (155, 121052), (212, 88505), (265, 70804), (310, 60526), (530, 35402), (571, 32860), (620, 30263), (1060, 17701), (1142, 16430), (1643, 11420), (2284, 8215), (2855, 6572), (3286, 5710)]