19895640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4481}}^1$

素因数の和:4532

約数の個数: 64

約数和(自身を含む): 61313760

約数和(自身を除く): 41418120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 1110, 1480, 2220, 4440, 4481, 8962, 13443, 17924, 22405, 26886, 35848, 44810, 53772, 67215, 89620, 107544, 134430, 165797, 179240, 268860, 331594, 497391, 537720, 663188, 828985, 994782, 1326376, 1657970, 1989564, 2486955, 3315940, 3979128, 4973910, 6631880, 9947820, 19895640]

約数ペア:

[(1, 19895640), (2, 9947820), (3, 6631880), (4, 4973910), (5, 3979128), (6, 3315940), (8, 2486955), (10, 1989564), (12, 1657970), (15, 1326376), (20, 994782), (24, 828985), (30, 663188), (37, 537720), (40, 497391), (60, 331594), (74, 268860), (111, 179240), (120, 165797), (148, 134430), (185, 107544), (222, 89620), (296, 67215), (370, 53772), (444, 44810), (555, 35848), (740, 26886), (888, 22405), (1110, 17924), (1480, 13443), (2220, 8962), (4440, 4481)]