18630460

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{401}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 41332032

約数和(自身を除く): 22701572

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 101, 115, 202, 230, 401, 404, 460, 505, 802, 1010, 1604, 2005, 2020, 2323, 4010, 4646, 8020, 9223, 9292, 11615, 18446, 23230, 36892, 40501, 46115, 46460, 81002, 92230, 162004, 184460, 202505, 405010, 810020, 931523, 1863046, 3726092, 4657615, 9315230, 18630460]

約数ペア:

[(1, 18630460), (2, 9315230), (4, 4657615), (5, 3726092), (10, 1863046), (20, 931523), (23, 810020), (46, 405010), (92, 202505), (101, 184460), (115, 162004), (202, 92230), (230, 81002), (401, 46460), (404, 46115), (460, 40501), (505, 36892), (802, 23230), (1010, 18446), (1604, 11615), (2005, 9292), (2020, 9223), (2323, 8020), (4010, 4646)]