18876445

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 27371520

約数和(自身を除く): 8495075

約数列:

[1, 5, 7, 23, 35, 115, 131, 161, 179, 655, 805, 895, 917, 1253, 3013, 4117, 4585, 6265, 15065, 20585, 21091, 23449, 28819, 105455, 117245, 144095, 164143, 539327, 820715, 2696635, 3775289, 18876445]

約数ペア:

[(1, 18876445), (5, 3775289), (7, 2696635), (23, 820715), (35, 539327), (115, 164143), (131, 144095), (161, 117245), (179, 105455), (655, 28819), (805, 23449), (895, 21091), (917, 20585), (1253, 15065), (3013, 6265), (4117, 4585)]