18893210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1$

素因数の和:311

約数の個数: 64

約数和(自身を含む): 41368320

約数和(自身を除く): 22475110

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 41, 58, 70, 82, 145, 203, 205, 227, 287, 290, 406, 410, 454, 574, 1015, 1135, 1189, 1435, 1589, 2030, 2270, 2378, 2870, 3178, 5945, 6583, 7945, 8323, 9307, 11890, 13166, 15890, 16646, 18614, 32915, 41615, 46081, 46535, 65149, 65830, 83230, 92162, 93070, 130298, 230405, 269903, 325745, 460810, 539806, 651490, 1349515, 1889321, 2699030, 3778642, 9446605, 18893210]

約数ペア:

[(1, 18893210), (2, 9446605), (5, 3778642), (7, 2699030), (10, 1889321), (14, 1349515), (29, 651490), (35, 539806), (41, 460810), (58, 325745), (70, 269903), (82, 230405), (145, 130298), (203, 93070), (205, 92162), (227, 83230), (287, 65830), (290, 65149), (406, 46535), (410, 46081), (454, 41615), (574, 32915), (1015, 18614), (1135, 16646), (1189, 15890), (1435, 13166), (1589, 11890), (2030, 9307), (2270, 8323), (2378, 7945), (2870, 6583), (3178, 5945)]