19130240

素因数分解:

$2^7\times 5^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:511

約数の個数: 64

約数和(自身を含む): 46487520

約数和(自身を除く): 27357280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 284, 320, 355, 421, 568, 640, 710, 842, 1136, 1420, 1684, 2105, 2272, 2840, 3368, 4210, 4544, 5680, 6736, 8420, 9088, 11360, 13472, 16840, 22720, 26944, 29891, 33680, 45440, 53888, 59782, 67360, 119564, 134720, 149455, 239128, 269440, 298910, 478256, 597820, 956512, 1195640, 1913024, 2391280, 3826048, 4782560, 9565120, 19130240]

約数ペア:

[(1, 19130240), (2, 9565120), (4, 4782560), (5, 3826048), (8, 2391280), (10, 1913024), (16, 1195640), (20, 956512), (32, 597820), (40, 478256), (64, 298910), (71, 269440), (80, 239128), (128, 149455), (142, 134720), (160, 119564), (284, 67360), (320, 59782), (355, 53888), (421, 45440), (568, 33680), (640, 29891), (710, 26944), (842, 22720), (1136, 16840), (1420, 13472), (1684, 11360), (2105, 9088), (2272, 8420), (2840, 6736), (3368, 5680), (4210, 4544)]