18323000

素因数分解:

$2^3\times 5^3\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 43636320

約数和(自身を除く): 25313320

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 73, 100, 125, 146, 200, 250, 251, 292, 365, 500, 502, 584, 730, 1000, 1004, 1255, 1460, 1825, 2008, 2510, 2920, 3650, 5020, 6275, 7300, 9125, 10040, 12550, 14600, 18250, 18323, 25100, 31375, 36500, 36646, 50200, 62750, 73000, 73292, 91615, 125500, 146584, 183230, 251000, 366460, 458075, 732920, 916150, 1832300, 2290375, 3664600, 4580750, 9161500, 18323000]

約数ペア:

[(1, 18323000), (2, 9161500), (4, 4580750), (5, 3664600), (8, 2290375), (10, 1832300), (20, 916150), (25, 732920), (40, 458075), (50, 366460), (73, 251000), (100, 183230), (125, 146584), (146, 125500), (200, 91615), (250, 73292), (251, 73000), (292, 62750), (365, 50200), (500, 36646), (502, 36500), (584, 31375), (730, 25100), (1000, 18323), (1004, 18250), (1255, 14600), (1460, 12550), (1825, 10040), (2008, 9125), (2510, 7300), (2920, 6275), (3650, 5020)]