19573320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12547}}^1$

素因数の和:12574

約数の個数: 64

約数和(自身を含む): 63241920

約数和(自身を除く): 43668600

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, 12547, 25094, 37641, 50188, 62735, 75282, 100376, 125470, 150564, 163111, 188205, 250940, 301128, 326222, 376410, 489333, 501880, 652444, 752820, 815555, 978666, 1304888, 1505640, 1631110, 1957332, 2446665, 3262220, 3914664, 4893330, 6524440, 9786660, 19573320]

約数ペア:

[(1, 19573320), (2, 9786660), (3, 6524440), (4, 4893330), (5, 3914664), (6, 3262220), (8, 2446665), (10, 1957332), (12, 1631110), (13, 1505640), (15, 1304888), (20, 978666), (24, 815555), (26, 752820), (30, 652444), (39, 501880), (40, 489333), (52, 376410), (60, 326222), (65, 301128), (78, 250940), (104, 188205), (120, 163111), (130, 150564), (156, 125470), (195, 100376), (260, 75282), (312, 62735), (390, 50188), (520, 37641), (780, 25094), (1560, 12547)]