18256210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 39813120

約数和(自身を除く): 21556910

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 47, 62, 70, 94, 155, 179, 217, 235, 310, 329, 358, 434, 470, 658, 895, 1085, 1253, 1457, 1645, 1790, 2170, 2506, 2914, 3290, 5549, 6265, 7285, 8413, 10199, 11098, 12530, 14570, 16826, 20398, 27745, 38843, 42065, 50995, 55490, 58891, 77686, 84130, 101990, 117782, 194215, 260803, 294455, 388430, 521606, 588910, 1304015, 1825621, 2608030, 3651242, 9128105, 18256210]

約数ペア:

[(1, 18256210), (2, 9128105), (5, 3651242), (7, 2608030), (10, 1825621), (14, 1304015), (31, 588910), (35, 521606), (47, 388430), (62, 294455), (70, 260803), (94, 194215), (155, 117782), (179, 101990), (217, 84130), (235, 77686), (310, 58891), (329, 55490), (358, 50995), (434, 42065), (470, 38843), (658, 27745), (895, 20398), (1085, 16826), (1253, 14570), (1457, 12530), (1645, 11098), (1790, 10199), (2170, 8413), (2506, 7285), (2914, 6265), (3290, 5549)]