18775020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28447}}^1$

素因数の和:28470

約数の個数: 48

約数和(自身を含む): 57351168

約数和(自身を除く): 38576148

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 28447, 56894, 85341, 113788, 142235, 170682, 284470, 312917, 341364, 426705, 568940, 625834, 853410, 938751, 1251668, 1564585, 1706820, 1877502, 3129170, 3755004, 4693755, 6258340, 9387510, 18775020]

約数ペア:

[(1, 18775020), (2, 9387510), (3, 6258340), (4, 4693755), (5, 3755004), (6, 3129170), (10, 1877502), (11, 1706820), (12, 1564585), (15, 1251668), (20, 938751), (22, 853410), (30, 625834), (33, 568940), (44, 426705), (55, 341364), (60, 312917), (66, 284470), (110, 170682), (132, 142235), (165, 113788), (220, 85341), (330, 56894), (660, 28447)]