18884229

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{313}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 33098112

約数和(自身を除く): 14213883

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 169, 221, 273, 313, 357, 507, 663, 939, 1183, 1547, 2191, 2873, 3549, 4069, 4641, 5321, 6573, 8619, 12207, 15963, 20111, 28483, 37247, 52897, 60333, 69173, 85449, 111741, 158691, 207519, 370279, 484211, 899249, 1110837, 1452633, 2697747, 6294743, 18884229]

約数ペア:

[(1, 18884229), (3, 6294743), (7, 2697747), (13, 1452633), (17, 1110837), (21, 899249), (39, 484211), (51, 370279), (91, 207519), (119, 158691), (169, 111741), (221, 85449), (273, 69173), (313, 60333), (357, 52897), (507, 37247), (663, 28483), (939, 20111), (1183, 15963), (1547, 12207), (2191, 8619), (2873, 6573), (3549, 5321), (4069, 4641)]