18962307

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^3\times {\mathrm{137}}^1$

素因数の和:189

約数の個数: 48

約数和(自身を含む): 34157760

約数和(自身を除く): 15195453

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 137, 169, 273, 411, 507, 819, 959, 1183, 1233, 1521, 1781, 2197, 2877, 3549, 5343, 6591, 8631, 10647, 12467, 15379, 16029, 19773, 23153, 37401, 46137, 69459, 112203, 138411, 162071, 208377, 300989, 486213, 902967, 1458639, 2106923, 2708901, 6320769, 18962307]

約数ペア:

[(1, 18962307), (3, 6320769), (7, 2708901), (9, 2106923), (13, 1458639), (21, 902967), (39, 486213), (63, 300989), (91, 208377), (117, 162071), (137, 138411), (169, 112203), (273, 69459), (411, 46137), (507, 37401), (819, 23153), (959, 19773), (1183, 16029), (1233, 15379), (1521, 12467), (1781, 10647), (2197, 8631), (2877, 6591), (3549, 5343)]