18464502925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{32801}}^1$

素因数の和:32934

約数の個数: 48

約数和(自身を含む): 26357063040

約数和(自身を除く): 7892560115

約数列:

[1, 5, 11, 23, 25, 55, 89, 115, 253, 275, 445, 575, 979, 1265, 2047, 2225, 4895, 6325, 10235, 22517, 24475, 32801, 51175, 112585, 164005, 360811, 562925, 754423, 820025, 1804055, 2919289, 3772115, 8298653, 9020275, 14596445, 18860575, 32112179, 41493265, 67143647, 72982225, 160560895, 207466325, 335718235, 738580117, 802804475, 1678591175, 3692900585, 18464502925]

約数ペア:

[(1, 18464502925), (5, 3692900585), (11, 1678591175), (23, 802804475), (25, 738580117), (55, 335718235), (89, 207466325), (115, 160560895), (253, 72982225), (275, 67143647), (445, 41493265), (575, 32112179), (979, 18860575), (1265, 14596445), (2047, 9020275), (2225, 8298653), (4895, 3772115), (6325, 2919289), (10235, 1804055), (22517, 820025), (24475, 754423), (32801, 562925), (51175, 360811), (112585, 164005)]