18647181

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{757}}^1$

素因数の和:810

約数の個数: 48

約数和(自身を含む): 34055424

約数和(自身を除く): 15408243

約数列:

[1, 3, 7, 9, 17, 21, 23, 51, 63, 69, 119, 153, 161, 207, 357, 391, 483, 757, 1071, 1173, 1449, 2271, 2737, 3519, 5299, 6813, 8211, 12869, 15897, 17411, 24633, 38607, 47691, 52233, 90083, 115821, 121877, 156699, 270249, 295987, 365631, 810747, 887961, 1096893, 2071909, 2663883, 6215727, 18647181]

約数ペア:

[(1, 18647181), (3, 6215727), (7, 2663883), (9, 2071909), (17, 1096893), (21, 887961), (23, 810747), (51, 365631), (63, 295987), (69, 270249), (119, 156699), (153, 121877), (161, 115821), (207, 90083), (357, 52233), (391, 47691), (483, 38607), (757, 24633), (1071, 17411), (1173, 15897), (1449, 12869), (2271, 8211), (2737, 6813), (3519, 5299)]