18734025

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 32757824

約数和(自身を除く): 14023799

約数列:

[1, 3, 5, 15, 25, 37, 43, 75, 111, 129, 157, 185, 215, 471, 555, 645, 785, 925, 1075, 1591, 2355, 2775, 3225, 3925, 4773, 5809, 6751, 7955, 11775, 17427, 20253, 23865, 29045, 33755, 39775, 87135, 101265, 119325, 145225, 168775, 249787, 435675, 506325, 749361, 1248935, 3746805, 6244675, 18734025]

約数ペア:

[(1, 18734025), (3, 6244675), (5, 3746805), (15, 1248935), (25, 749361), (37, 506325), (43, 435675), (75, 249787), (111, 168775), (129, 145225), (157, 119325), (185, 101265), (215, 87135), (471, 39775), (555, 33755), (645, 29045), (785, 23865), (925, 20253), (1075, 17427), (1591, 11775), (2355, 7955), (2775, 6751), (3225, 5809), (3925, 4773)]