18908916

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2287}}^1$

素因数の和:2360

約数の個数: 48

約数和(自身を含む): 48432384

約数和(自身を除く): 29523468

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 53, 78, 106, 156, 159, 212, 318, 636, 689, 1378, 2067, 2287, 2756, 4134, 4574, 6861, 8268, 9148, 13722, 27444, 29731, 59462, 89193, 118924, 121211, 178386, 242422, 356772, 363633, 484844, 727266, 1454532, 1575743, 3151486, 4727229, 6302972, 9454458, 18908916]

約数ペア:

[(1, 18908916), (2, 9454458), (3, 6302972), (4, 4727229), (6, 3151486), (12, 1575743), (13, 1454532), (26, 727266), (39, 484844), (52, 363633), (53, 356772), (78, 242422), (106, 178386), (156, 121211), (159, 118924), (212, 89193), (318, 59462), (636, 29731), (689, 27444), (1378, 13722), (2067, 9148), (2287, 8268), (2756, 6861), (4134, 4574)]