19517640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3967}}^1$

素因数の和:4022

約数の個数: 64

約数和(自身を含む): 59996160

約数和(自身を除く): 40478520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 164, 205, 246, 328, 410, 492, 615, 820, 984, 1230, 1640, 2460, 3967, 4920, 7934, 11901, 15868, 19835, 23802, 31736, 39670, 47604, 59505, 79340, 95208, 119010, 158680, 162647, 238020, 325294, 476040, 487941, 650588, 813235, 975882, 1301176, 1626470, 1951764, 2439705, 3252940, 3903528, 4879410, 6505880, 9758820, 19517640]

約数ペア:

[(1, 19517640), (2, 9758820), (3, 6505880), (4, 4879410), (5, 3903528), (6, 3252940), (8, 2439705), (10, 1951764), (12, 1626470), (15, 1301176), (20, 975882), (24, 813235), (30, 650588), (40, 487941), (41, 476040), (60, 325294), (82, 238020), (120, 162647), (123, 158680), (164, 119010), (205, 95208), (246, 79340), (328, 59505), (410, 47604), (492, 39670), (615, 31736), (820, 23802), (984, 19835), (1230, 15868), (1640, 11901), (2460, 7934), (3967, 4920)]