18858090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 46886400

約数和(自身を除く): 28028310

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 73, 79, 109, 146, 158, 218, 219, 237, 327, 365, 395, 438, 474, 545, 654, 730, 790, 1090, 1095, 1185, 1635, 2190, 2370, 3270, 5767, 7957, 8611, 11534, 15914, 17222, 17301, 23871, 25833, 28835, 34602, 39785, 43055, 47742, 51666, 57670, 79570, 86110, 86505, 119355, 129165, 173010, 238710, 258330, 628603, 1257206, 1885809, 3143015, 3771618, 6286030, 9429045, 18858090]

約数ペア:

[(1, 18858090), (2, 9429045), (3, 6286030), (5, 3771618), (6, 3143015), (10, 1885809), (15, 1257206), (30, 628603), (73, 258330), (79, 238710), (109, 173010), (146, 129165), (158, 119355), (218, 86505), (219, 86110), (237, 79570), (327, 57670), (365, 51666), (395, 47742), (438, 43055), (474, 39785), (545, 34602), (654, 28835), (730, 25833), (790, 23871), (1090, 17301), (1095, 17222), (1185, 15914), (1635, 11534), (2190, 8611), (2370, 7957), (3270, 5767)]