18265220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{673}}^1$

素因数の和:764

約数の個数: 48

約数和(自身を含む): 40763520

約数和(自身を除く): 22498300

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 59, 92, 115, 118, 230, 236, 295, 460, 590, 673, 1180, 1346, 1357, 2692, 2714, 3365, 5428, 6730, 6785, 13460, 13570, 15479, 27140, 30958, 39707, 61916, 77395, 79414, 154790, 158828, 198535, 309580, 397070, 794140, 913261, 1826522, 3653044, 4566305, 9132610, 18265220]

約数ペア:

[(1, 18265220), (2, 9132610), (4, 4566305), (5, 3653044), (10, 1826522), (20, 913261), (23, 794140), (46, 397070), (59, 309580), (92, 198535), (115, 158828), (118, 154790), (230, 79414), (236, 77395), (295, 61916), (460, 39707), (590, 30958), (673, 27140), (1180, 15479), (1346, 13570), (1357, 13460), (2692, 6785), (2714, 6730), (3365, 5428)]