18460845

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 36099840

約数和(自身を除く): 17638995

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 67, 117, 135, 157, 195, 201, 335, 351, 471, 585, 603, 785, 871, 1005, 1413, 1755, 1809, 2041, 2355, 2613, 3015, 4239, 4355, 6123, 7065, 7839, 9045, 10205, 10519, 13065, 18369, 21195, 23517, 30615, 31557, 39195, 52595, 55107, 91845, 94671, 117585, 136747, 157785, 275535, 284013, 410241, 473355, 683735, 1230723, 1420065, 2051205, 3692169, 6153615, 18460845]

約数ペア:

[(1, 18460845), (3, 6153615), (5, 3692169), (9, 2051205), (13, 1420065), (15, 1230723), (27, 683735), (39, 473355), (45, 410241), (65, 284013), (67, 275535), (117, 157785), (135, 136747), (157, 117585), (195, 94671), (201, 91845), (335, 55107), (351, 52595), (471, 39195), (585, 31557), (603, 30615), (785, 23517), (871, 21195), (1005, 18369), (1413, 13065), (1755, 10519), (1809, 10205), (2041, 9045), (2355, 7839), (2613, 7065), (3015, 6123), (4239, 4355)]