18788190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{3989}}^1$

素因数の和:4156

約数の個数: 32

約数和(自身を含む): 45390240

約数和(自身を除く): 26602050

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 157, 314, 471, 785, 942, 1570, 2355, 3989, 4710, 7978, 11967, 19945, 23934, 39890, 59835, 119670, 626273, 1252546, 1878819, 3131365, 3757638, 6262730, 9394095, 18788190]

約数ペア:

[(1, 18788190), (2, 9394095), (3, 6262730), (5, 3757638), (6, 3131365), (10, 1878819), (15, 1252546), (30, 626273), (157, 119670), (314, 59835), (471, 39890), (785, 23934), (942, 19945), (1570, 11967), (2355, 7978), (3989, 4710)]