18749966560

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9014407}}^1$

素因数の和:9014435

約数の個数: 48

約数和(自身を含む): 47704247136

約数和(自身を除く): 28954280576

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, 9014407, 18028814, 36057628, 45072035, 72115256, 90144070, 117187291, 144230512, 180288140, 234374582, 288461024, 360576280, 468749164, 585936455, 721152560, 937498328, 1171872910, 1442305120, 1874996656, 2343745820, 3749993312, 4687491640, 9374983280, 18749966560]

約数ペア:

[(1, 18749966560), (2, 9374983280), (4, 4687491640), (5, 3749993312), (8, 2343745820), (10, 1874996656), (13, 1442305120), (16, 1171872910), (20, 937498328), (26, 721152560), (32, 585936455), (40, 468749164), (52, 360576280), (65, 288461024), (80, 234374582), (104, 180288140), (130, 144230512), (160, 117187291), (208, 90144070), (260, 72115256), (416, 45072035), (520, 36057628), (1040, 18028814), (2080, 9014407)]