18131490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15497}}^1$

素因数の和:15523

約数の個数: 48

約数和(自身を含む): 50771448

約数和(自身を除く): 32639958

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 15497, 30994, 46491, 77485, 92982, 139473, 154970, 201461, 232455, 278946, 402922, 464910, 604383, 697365, 1007305, 1208766, 1394730, 1813149, 2014610, 3021915, 3626298, 6043830, 9065745, 18131490]

約数ペア:

[(1, 18131490), (2, 9065745), (3, 6043830), (5, 3626298), (6, 3021915), (9, 2014610), (10, 1813149), (13, 1394730), (15, 1208766), (18, 1007305), (26, 697365), (30, 604383), (39, 464910), (45, 402922), (65, 278946), (78, 232455), (90, 201461), (117, 154970), (130, 139473), (195, 92982), (234, 77485), (390, 46491), (585, 30994), (1170, 15497)]