18345110

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1291}}^1$

素因数の和:1341

約数の個数: 48

約数和(自身を含む): 39767760

約数和(自身を除く): 21422650

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 49, 58, 70, 98, 145, 203, 245, 290, 406, 490, 1015, 1291, 1421, 2030, 2582, 2842, 6455, 7105, 9037, 12910, 14210, 18074, 37439, 45185, 63259, 74878, 90370, 126518, 187195, 262073, 316295, 374390, 524146, 632590, 1310365, 1834511, 2620730, 3669022, 9172555, 18345110]

約数ペア:

[(1, 18345110), (2, 9172555), (5, 3669022), (7, 2620730), (10, 1834511), (14, 1310365), (29, 632590), (35, 524146), (49, 374390), (58, 316295), (70, 262073), (98, 187195), (145, 126518), (203, 90370), (245, 74878), (290, 63259), (406, 45185), (490, 37439), (1015, 18074), (1291, 14210), (1421, 12910), (2030, 9037), (2582, 7105), (2842, 6455)]