18411390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1303}}^1$

素因数の和:1473

約数の個数: 48

約数和(自身を含む): 48211488

約数和(自身を除く): 29800098

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 157, 314, 471, 785, 942, 1303, 1413, 1570, 2355, 2606, 2826, 3909, 4710, 6515, 7065, 7818, 11727, 13030, 14130, 19545, 23454, 39090, 58635, 117270, 204571, 409142, 613713, 1022855, 1227426, 1841139, 2045710, 3068565, 3682278, 6137130, 9205695, 18411390]

約数ペア:

[(1, 18411390), (2, 9205695), (3, 6137130), (5, 3682278), (6, 3068565), (9, 2045710), (10, 1841139), (15, 1227426), (18, 1022855), (30, 613713), (45, 409142), (90, 204571), (157, 117270), (314, 58635), (471, 39090), (785, 23454), (942, 19545), (1303, 14130), (1413, 13030), (1570, 11727), (2355, 7818), (2606, 7065), (2826, 6515), (3909, 4710)]