18787260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{601}}^1$

素因数の和:1134

約数の個数: 48

約数和(自身を含む): 52792992

約数和(自身を除く): 34005732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 521, 601, 1042, 1202, 1563, 1803, 2084, 2404, 2605, 3005, 3126, 3606, 5210, 6010, 6252, 7212, 7815, 9015, 10420, 12020, 15630, 18030, 31260, 36060, 313121, 626242, 939363, 1252484, 1565605, 1878726, 3131210, 3757452, 4696815, 6262420, 9393630, 18787260]

約数ペア:

[(1, 18787260), (2, 9393630), (3, 6262420), (4, 4696815), (5, 3757452), (6, 3131210), (10, 1878726), (12, 1565605), (15, 1252484), (20, 939363), (30, 626242), (60, 313121), (521, 36060), (601, 31260), (1042, 18030), (1202, 15630), (1563, 12020), (1803, 10420), (2084, 9015), (2404, 7815), (2605, 7212), (3005, 6252), (3126, 6010), (3606, 5210)]