18888909705

素因数分解:

$3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{521}}^1\times {\mathrm{3371}}^1$

素因数の和:4142

約数の個数: 48

約数和(自身を含む): 32950644480

約数和(自身を除く): 14061734775

約数列:

[1, 3, 5, 9, 15, 45, 239, 521, 717, 1195, 1563, 2151, 2605, 3371, 3585, 4689, 7815, 10113, 10755, 16855, 23445, 30339, 50565, 124519, 151695, 373557, 622595, 805669, 1120671, 1756291, 1867785, 2417007, 4028345, 5268873, 5603355, 7251021, 8781455, 12085035, 15806619, 26344365, 36255105, 79033095, 419753549, 1259260647, 2098767745, 3777781941, 6296303235, 18888909705]

約数ペア:

[(1, 18888909705), (3, 6296303235), (5, 3777781941), (9, 2098767745), (15, 1259260647), (45, 419753549), (239, 79033095), (521, 36255105), (717, 26344365), (1195, 15806619), (1563, 12085035), (2151, 8781455), (2605, 7251021), (3371, 5603355), (3585, 5268873), (4689, 4028345), (7815, 2417007), (10113, 1867785), (10755, 1756291), (16855, 1120671), (23445, 805669), (30339, 622595), (50565, 373557), (124519, 151695)]