19485240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2287}}^1$

素因数の和:2372

約数の個数: 64

約数和(自身を含む): 59304960

約数和(自身を除く): 39819720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2287, 2840, 4260, 4574, 6861, 8520, 9148, 11435, 13722, 18296, 22870, 27444, 34305, 45740, 54888, 68610, 91480, 137220, 162377, 274440, 324754, 487131, 649508, 811885, 974262, 1299016, 1623770, 1948524, 2435655, 3247540, 3897048, 4871310, 6495080, 9742620, 19485240]

約数ペア:

[(1, 19485240), (2, 9742620), (3, 6495080), (4, 4871310), (5, 3897048), (6, 3247540), (8, 2435655), (10, 1948524), (12, 1623770), (15, 1299016), (20, 974262), (24, 811885), (30, 649508), (40, 487131), (60, 324754), (71, 274440), (120, 162377), (142, 137220), (213, 91480), (284, 68610), (355, 54888), (426, 45740), (568, 34305), (710, 27444), (852, 22870), (1065, 18296), (1420, 13722), (1704, 11435), (2130, 9148), (2287, 8520), (2840, 6861), (4260, 4574)]