19765590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{859}}^1$

素因数の和:941

約数の個数: 64

約数和(自身を含む): 52012800

約数和(自身を除く): 32247210

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, 859, 885, 1534, 1718, 1770, 2301, 2577, 3835, 4295, 4602, 5154, 7670, 8590, 11167, 11505, 12885, 22334, 23010, 25770, 33501, 50681, 55835, 67002, 101362, 111670, 152043, 167505, 253405, 304086, 335010, 506810, 658853, 760215, 1317706, 1520430, 1976559, 3294265, 3953118, 6588530, 9882795, 19765590]

約数ペア:

[(1, 19765590), (2, 9882795), (3, 6588530), (5, 3953118), (6, 3294265), (10, 1976559), (13, 1520430), (15, 1317706), (26, 760215), (30, 658853), (39, 506810), (59, 335010), (65, 304086), (78, 253405), (118, 167505), (130, 152043), (177, 111670), (195, 101362), (295, 67002), (354, 55835), (390, 50681), (590, 33501), (767, 25770), (859, 23010), (885, 22334), (1534, 12885), (1718, 11505), (1770, 11167), (2301, 8590), (2577, 7670), (3835, 5154), (4295, 4602)]