17798940

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{10987}}^1$

素因数の和:11008

約数の個数: 60

約数和(自身を含む): 55841016

約数和(自身を除く): 38042076

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 10987, 21974, 32961, 43948, 54935, 65922, 98883, 109870, 131844, 164805, 197766, 219740, 296649, 329610, 395532, 494415, 593298, 659220, 889947, 988830, 1186596, 1483245, 1779894, 1977660, 2966490, 3559788, 4449735, 5932980, 8899470, 17798940]

約数ペア:

[(1, 17798940), (2, 8899470), (3, 5932980), (4, 4449735), (5, 3559788), (6, 2966490), (9, 1977660), (10, 1779894), (12, 1483245), (15, 1186596), (18, 988830), (20, 889947), (27, 659220), (30, 593298), (36, 494415), (45, 395532), (54, 329610), (60, 296649), (81, 219740), (90, 197766), (108, 164805), (135, 131844), (162, 109870), (180, 98883), (270, 65922), (324, 54935), (405, 43948), (540, 32961), (810, 21974), (1620, 10987)]