19689780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29833}}^1$

素因数の和:29856

約数の個数: 48

約数和(自身を含む): 60145344

約数和(自身を除く): 40455564

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, 29833, 59666, 89499, 119332, 149165, 178998, 298330, 328163, 357996, 447495, 596660, 656326, 894990, 984489, 1312652, 1640815, 1789980, 1968978, 3281630, 3937956, 4922445, 6563260, 9844890, 19689780]

約数ペア:

[(1, 19689780), (2, 9844890), (3, 6563260), (4, 4922445), (5, 3937956), (6, 3281630), (10, 1968978), (11, 1789980), (12, 1640815), (15, 1312652), (20, 984489), (22, 894990), (30, 656326), (33, 596660), (44, 447495), (55, 357996), (60, 328163), (66, 298330), (110, 178998), (132, 149165), (165, 119332), (220, 89499), (330, 59666), (660, 29833)]