18213570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1289}}^1$

素因数の和:1459

約数の個数: 48

約数和(自身を含む): 47693880

約数和(自身を除く): 29480310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 157, 314, 471, 785, 942, 1289, 1413, 1570, 2355, 2578, 2826, 3867, 4710, 6445, 7065, 7734, 11601, 12890, 14130, 19335, 23202, 38670, 58005, 116010, 202373, 404746, 607119, 1011865, 1214238, 1821357, 2023730, 3035595, 3642714, 6071190, 9106785, 18213570]

約数ペア:

[(1, 18213570), (2, 9106785), (3, 6071190), (5, 3642714), (6, 3035595), (9, 2023730), (10, 1821357), (15, 1214238), (18, 1011865), (30, 607119), (45, 404746), (90, 202373), (157, 116010), (314, 58005), (471, 38670), (785, 23202), (942, 19335), (1289, 14130), (1413, 12890), (1570, 11601), (2355, 7734), (2578, 7065), (2826, 6445), (3867, 4710)]