18281458

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1609}}^1$

素因数の和:1666

約数の個数: 32

約数和(自身を含む): 32457600

約数和(自身を除く): 14176142

約数列:

[1, 2, 13, 19, 23, 26, 38, 46, 247, 299, 437, 494, 598, 874, 1609, 3218, 5681, 11362, 20917, 30571, 37007, 41834, 61142, 74014, 397423, 481091, 703133, 794846, 962182, 1406266, 9140729, 18281458]

約数ペア:

[(1, 18281458), (2, 9140729), (13, 1406266), (19, 962182), (23, 794846), (26, 703133), (38, 481091), (46, 397423), (247, 74014), (299, 61142), (437, 41834), (494, 37007), (598, 30571), (874, 20917), (1609, 11362), (3218, 5681)]