18680800

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1229}}^1$

素因数の和:1268

約数の個数: 72

約数和(自身を含む): 48043800

約数和(自身を除く): 29363000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 80, 95, 100, 152, 160, 190, 200, 304, 380, 400, 475, 608, 760, 800, 950, 1229, 1520, 1900, 2458, 3040, 3800, 4916, 6145, 7600, 9832, 12290, 15200, 19664, 23351, 24580, 30725, 39328, 46702, 49160, 61450, 93404, 98320, 116755, 122900, 186808, 196640, 233510, 245800, 373616, 467020, 491600, 583775, 747232, 934040, 983200, 1167550, 1868080, 2335100, 3736160, 4670200, 9340400, 18680800]

約数ペア:

[(1, 18680800), (2, 9340400), (4, 4670200), (5, 3736160), (8, 2335100), (10, 1868080), (16, 1167550), (19, 983200), (20, 934040), (25, 747232), (32, 583775), (38, 491600), (40, 467020), (50, 373616), (76, 245800), (80, 233510), (95, 196640), (100, 186808), (152, 122900), (160, 116755), (190, 98320), (200, 93404), (304, 61450), (380, 49160), (400, 46702), (475, 39328), (608, 30725), (760, 24580), (800, 23351), (950, 19664), (1229, 15200), (1520, 12290), (1900, 9832), (2458, 7600), (3040, 6145), (3800, 4916)]