18241360

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{2131}}^1$

素因数の和:2251

約数の個数: 40

約数和(自身を含む): 42827616

約数和(自身を除く): 24586256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2131, 2140, 4262, 4280, 8524, 8560, 10655, 17048, 21310, 34096, 42620, 85240, 170480, 228017, 456034, 912068, 1140085, 1824136, 2280170, 3648272, 4560340, 9120680, 18241360]

約数ペア:

[(1, 18241360), (2, 9120680), (4, 4560340), (5, 3648272), (8, 2280170), (10, 1824136), (16, 1140085), (20, 912068), (40, 456034), (80, 228017), (107, 170480), (214, 85240), (428, 42620), (535, 34096), (856, 21310), (1070, 17048), (1712, 10655), (2131, 8560), (2140, 8524), (4262, 4280)]