18603340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{463}}^1$

素因数の和:527

約数の個数: 72

約数和(自身を含む): 46654272

約数和(自身を除く): 28050932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 245, 287, 410, 463, 490, 574, 820, 926, 980, 1148, 1435, 1852, 2009, 2315, 2870, 3241, 4018, 4630, 5740, 6482, 8036, 9260, 10045, 12964, 16205, 18983, 20090, 22687, 32410, 37966, 40180, 45374, 64820, 75932, 90748, 94915, 113435, 132881, 189830, 226870, 265762, 379660, 453740, 531524, 664405, 930167, 1328810, 1860334, 2657620, 3720668, 4650835, 9301670, 18603340]

約数ペア:

[(1, 18603340), (2, 9301670), (4, 4650835), (5, 3720668), (7, 2657620), (10, 1860334), (14, 1328810), (20, 930167), (28, 664405), (35, 531524), (41, 453740), (49, 379660), (70, 265762), (82, 226870), (98, 189830), (140, 132881), (164, 113435), (196, 94915), (205, 90748), (245, 75932), (287, 64820), (410, 45374), (463, 40180), (490, 37966), (574, 32410), (820, 22687), (926, 20090), (980, 18983), (1148, 16205), (1435, 12964), (1852, 10045), (2009, 9260), (2315, 8036), (2870, 6482), (3241, 5740), (4018, 4630)]