18905640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12119}}^1$

素因数の和:12146

約数の個数: 64

約数和(自身を含む): 61084800

約数和(自身を除く): 42179160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 12119, 24238, 36357, 48476, 60595, 72714, 96952, 121190, 145428, 157547, 181785, 242380, 290856, 315094, 363570, 472641, 484760, 630188, 727140, 787735, 945282, 1260376, 1454280, 1575470, 1890564, 2363205, 3150940, 3781128, 4726410, 6301880, 9452820, 18905640]

約数ペア:

[(1, 18905640), (2, 9452820), (3, 6301880), (4, 4726410), (5, 3781128), (6, 3150940), (8, 2363205), (10, 1890564), (12, 1575470), (13, 1454280), (15, 1260376), (20, 945282), (24, 787735), (26, 727140), (30, 630188), (39, 484760), (40, 472641), (52, 363570), (60, 315094), (65, 290856), (78, 242380), (104, 181785), (120, 157547), (130, 145428), (156, 121190), (195, 96952), (260, 72714), (312, 60595), (390, 48476), (520, 36357), (780, 24238), (1560, 12119)]