19719570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{857}}^1$

素因数の和:939

約数の個数: 64

約数和(自身を含む): 51891840

約数和(自身を除く): 32172270

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 59, 65, 78, 118, 130, 177, 195, 295, 354, 390, 590, 767, 857, 885, 1534, 1714, 1770, 2301, 2571, 3835, 4285, 4602, 5142, 7670, 8570, 11141, 11505, 12855, 22282, 23010, 25710, 33423, 50563, 55705, 66846, 101126, 111410, 151689, 167115, 252815, 303378, 334230, 505630, 657319, 758445, 1314638, 1516890, 1971957, 3286595, 3943914, 6573190, 9859785, 19719570]

約数ペア:

[(1, 19719570), (2, 9859785), (3, 6573190), (5, 3943914), (6, 3286595), (10, 1971957), (13, 1516890), (15, 1314638), (26, 758445), (30, 657319), (39, 505630), (59, 334230), (65, 303378), (78, 252815), (118, 167115), (130, 151689), (177, 111410), (195, 101126), (295, 66846), (354, 55705), (390, 50563), (590, 33423), (767, 25710), (857, 23010), (885, 22282), (1534, 12855), (1714, 11505), (1770, 11141), (2301, 8570), (2571, 7670), (3835, 5142), (4285, 4602)]