18299120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{797}}^1$

素因数の和:858

約数の個数: 80

約数和(自身を含む): 49871808

約数和(自身を除く): 31572688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 140, 164, 205, 280, 287, 328, 410, 560, 574, 656, 797, 820, 1148, 1435, 1594, 1640, 2296, 2870, 3188, 3280, 3985, 4592, 5579, 5740, 6376, 7970, 11158, 11480, 12752, 15940, 22316, 22960, 27895, 31880, 32677, 44632, 55790, 63760, 65354, 89264, 111580, 130708, 163385, 223160, 228739, 261416, 326770, 446320, 457478, 522832, 653540, 914956, 1143695, 1307080, 1829912, 2287390, 2614160, 3659824, 4574780, 9149560, 18299120]

約数ペア:

[(1, 18299120), (2, 9149560), (4, 4574780), (5, 3659824), (7, 2614160), (8, 2287390), (10, 1829912), (14, 1307080), (16, 1143695), (20, 914956), (28, 653540), (35, 522832), (40, 457478), (41, 446320), (56, 326770), (70, 261416), (80, 228739), (82, 223160), (112, 163385), (140, 130708), (164, 111580), (205, 89264), (280, 65354), (287, 63760), (328, 55790), (410, 44632), (560, 32677), (574, 31880), (656, 27895), (797, 22960), (820, 22316), (1148, 15940), (1435, 12752), (1594, 11480), (1640, 11158), (2296, 7970), (2870, 6376), (3188, 5740), (3280, 5579), (3985, 4592)]