18506150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:497

約数の個数: 48

約数和(自身を含む): 37685088

約数和(自身を除く): 19178938

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 71, 130, 142, 325, 355, 401, 650, 710, 802, 923, 1775, 1846, 2005, 3550, 4010, 4615, 5213, 9230, 10025, 10426, 20050, 23075, 26065, 28471, 46150, 52130, 56942, 130325, 142355, 260650, 284710, 370123, 711775, 740246, 1423550, 1850615, 3701230, 9253075, 18506150]

約数ペア:

[(1, 18506150), (2, 9253075), (5, 3701230), (10, 1850615), (13, 1423550), (25, 740246), (26, 711775), (50, 370123), (65, 284710), (71, 260650), (130, 142355), (142, 130325), (325, 56942), (355, 52130), (401, 46150), (650, 28471), (710, 26065), (802, 23075), (923, 20050), (1775, 10426), (1846, 10025), (2005, 9230), (3550, 5213), (4010, 4615)]