18288587020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2681611}}^1$

素因数の和:2681662

約数の個数: 48

約数和(自身を含む): 43249038336

約数和(自身を除く): 24960451316

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 2681611, 5363222, 10726444, 13408055, 26816110, 29497721, 53632220, 58995442, 83129941, 117990884, 147488605, 166259882, 294977210, 332519764, 415649705, 589954420, 831299410, 914429351, 1662598820, 1828858702, 3657717404, 4572146755, 9144293510, 18288587020]

約数ペア:

[(1, 18288587020), (2, 9144293510), (4, 4572146755), (5, 3657717404), (10, 1828858702), (11, 1662598820), (20, 914429351), (22, 831299410), (31, 589954420), (44, 415649705), (55, 332519764), (62, 294977210), (110, 166259882), (124, 147488605), (155, 117990884), (220, 83129941), (310, 58995442), (341, 53632220), (620, 29497721), (682, 26816110), (1364, 13408055), (1705, 10726444), (3410, 5363222), (6820, 2681611)]