18734560

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9007}}^1$

素因数の和:9035

約数の個数: 48

約数和(自身を含む): 47670336

約数和(自身を除く): 28935776

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 9007, 18014, 36028, 45035, 72056, 90070, 117091, 144112, 180140, 234182, 288224, 360280, 468364, 585455, 720560, 936728, 1170910, 1441120, 1873456, 2341820, 3746912, 4683640, 9367280, 18734560]

約数ペア:

[(1, 18734560), (2, 9367280), (4, 4683640), (5, 3746912), (8, 2341820), (10, 1873456), (13, 1441120), (16, 1170910), (20, 936728), (26, 720560), (32, 585455), (40, 468364), (52, 360280), (65, 288224), (80, 234182), (104, 180140), (130, 144112), (160, 117091), (208, 90070), (260, 72056), (416, 45035), (520, 36028), (1040, 18014), (2080, 9007)]