18647020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5791}}^1$

素因数の和:5830

約数の個数: 48

約数和(自身を含む): 46706688

約数和(自身を除く): 28059668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 5791, 11582, 23164, 28955, 40537, 57910, 81074, 115820, 133193, 162148, 202685, 266386, 405370, 532772, 665965, 810740, 932351, 1331930, 1864702, 2663860, 3729404, 4661755, 9323510, 18647020]

約数ペア:

[(1, 18647020), (2, 9323510), (4, 4661755), (5, 3729404), (7, 2663860), (10, 1864702), (14, 1331930), (20, 932351), (23, 810740), (28, 665965), (35, 532772), (46, 405370), (70, 266386), (92, 202685), (115, 162148), (140, 133193), (161, 115820), (230, 81074), (322, 57910), (460, 40537), (644, 28955), (805, 23164), (1610, 11582), (3220, 5791)]