18028020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{2659}}^1$

素因数の和:2784

約数の個数: 48

約数和(自身を含む): 50944320

約数和(自身を除く): 32916300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 113, 226, 339, 452, 565, 678, 1130, 1356, 1695, 2260, 2659, 3390, 5318, 6780, 7977, 10636, 13295, 15954, 26590, 31908, 39885, 53180, 79770, 159540, 300467, 600934, 901401, 1201868, 1502335, 1802802, 3004670, 3605604, 4507005, 6009340, 9014010, 18028020]

約数ペア:

[(1, 18028020), (2, 9014010), (3, 6009340), (4, 4507005), (5, 3605604), (6, 3004670), (10, 1802802), (12, 1502335), (15, 1201868), (20, 901401), (30, 600934), (60, 300467), (113, 159540), (226, 79770), (339, 53180), (452, 39885), (565, 31908), (678, 26590), (1130, 15954), (1356, 13295), (1695, 10636), (2260, 7977), (2659, 6780), (3390, 5318)]