19621040

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{4157}}^1$

素因数の和:4229

約数の個数: 40

約数和(自身を含む): 46403280

約数和(自身を除く): 26782240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 2360, 4157, 4720, 8314, 16628, 20785, 33256, 41570, 66512, 83140, 166280, 245263, 332560, 490526, 981052, 1226315, 1962104, 2452630, 3924208, 4905260, 9810520, 19621040]

約数ペア:

[(1, 19621040), (2, 9810520), (4, 4905260), (5, 3924208), (8, 2452630), (10, 1962104), (16, 1226315), (20, 981052), (40, 490526), (59, 332560), (80, 245263), (118, 166280), (236, 83140), (295, 66512), (472, 41570), (590, 33256), (944, 20785), (1180, 16628), (2360, 8314), (4157, 4720)]