18892400

素因数分解:

$2^4\times 5^2\times {\mathrm{73}}^1\times {\mathrm{647}}^1$

素因数の和:738

約数の個数: 60

約数和(自身を含む): 46081872

約数和(自身を除く): 27189472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 73, 80, 100, 146, 200, 292, 365, 400, 584, 647, 730, 1168, 1294, 1460, 1825, 2588, 2920, 3235, 3650, 5176, 5840, 6470, 7300, 10352, 12940, 14600, 16175, 25880, 29200, 32350, 47231, 51760, 64700, 94462, 129400, 188924, 236155, 258800, 377848, 472310, 755696, 944620, 1180775, 1889240, 2361550, 3778480, 4723100, 9446200, 18892400]

約数ペア:

[(1, 18892400), (2, 9446200), (4, 4723100), (5, 3778480), (8, 2361550), (10, 1889240), (16, 1180775), (20, 944620), (25, 755696), (40, 472310), (50, 377848), (73, 258800), (80, 236155), (100, 188924), (146, 129400), (200, 94462), (292, 64700), (365, 51760), (400, 47231), (584, 32350), (647, 29200), (730, 25880), (1168, 16175), (1294, 14600), (1460, 12940), (1825, 10352), (2588, 7300), (2920, 6470), (3235, 5840), (3650, 5176)]