18215414

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^2$

素因数の和:153

約数の個数: 48

約数和(自身を含む): 34667520

約数和(自身を除く): 16452106

約数列:

[1, 2, 7, 14, 19, 31, 38, 47, 62, 94, 133, 217, 266, 329, 434, 589, 658, 893, 1178, 1457, 1786, 2209, 2914, 4123, 4418, 6251, 8246, 10199, 12502, 15463, 20398, 27683, 30926, 41971, 55366, 68479, 83942, 136958, 193781, 293797, 387562, 479353, 587594, 958706, 1301101, 2602202, 9107707, 18215414]

約数ペア:

[(1, 18215414), (2, 9107707), (7, 2602202), (14, 1301101), (19, 958706), (31, 587594), (38, 479353), (47, 387562), (62, 293797), (94, 193781), (133, 136958), (217, 83942), (266, 68479), (329, 55366), (434, 41971), (589, 30926), (658, 27683), (893, 20398), (1178, 15463), (1457, 12502), (1786, 10199), (2209, 8246), (2914, 6251), (4123, 4418)]