18873669010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{409}}^1$

素因数の和:692

約数の個数: 128

約数和(自身を含む): 40323847680

約数和(自身を除く): 21450178670

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 101, 107, 122, 202, 214, 305, 409, 427, 505, 535, 610, 707, 749, 818, 854, 1010, 1070, 1414, 1498, 2045, 2135, 2863, 3535, 3745, 4090, 4270, 5726, 6161, 6527, 7070, 7490, 10807, 12322, 13054, 14315, 21614, 24949, 28630, 30805, 32635, 41309, 43127, 43763, 45689, 49898, 54035, 61610, 65270, 75649, 82618, 86254, 87526, 91378, 108070, 124745, 151298, 174643, 206545, 215635, 218815, 228445, 249490, 289163, 306341, 349286, 378245, 413090, 431270, 437630, 456890, 578326, 612682, 659227, 756490, 873215, 1318454, 1445815, 1531705, 1746430, 2519849, 2669543, 2891630, 3063410, 3296135, 4420063, 4614589, 5039698, 5339086, 6592270, 8840126, 9229178, 12599245, 13347715, 17638943, 18686801, 22100315, 23072945, 25198490, 26695430, 30940441, 35277886, 37373602, 44200630, 46145890, 61880882, 88194715, 93434005, 154702205, 176389430, 186868010, 269623843, 309404410, 539247686, 1348119215, 1887366901, 2696238430, 3774733802, 9436834505, 18873669010]

約数ペア:

[(1, 18873669010), (2, 9436834505), (5, 3774733802), (7, 2696238430), (10, 1887366901), (14, 1348119215), (35, 539247686), (61, 309404410), (70, 269623843), (101, 186868010), (107, 176389430), (122, 154702205), (202, 93434005), (214, 88194715), (305, 61880882), (409, 46145890), (427, 44200630), (505, 37373602), (535, 35277886), (610, 30940441), (707, 26695430), (749, 25198490), (818, 23072945), (854, 22100315), (1010, 18686801), (1070, 17638943), (1414, 13347715), (1498, 12599245), (2045, 9229178), (2135, 8840126), (2863, 6592270), (3535, 5339086), (3745, 5039698), (4090, 4614589), (4270, 4420063), (5726, 3296135), (6161, 3063410), (6527, 2891630), (7070, 2669543), (7490, 2519849), (10807, 1746430), (12322, 1531705), (13054, 1445815), (14315, 1318454), (21614, 873215), (24949, 756490), (28630, 659227), (30805, 612682), (32635, 578326), (41309, 456890), (43127, 437630), (43763, 431270), (45689, 413090), (49898, 378245), (54035, 349286), (61610, 306341), (65270, 289163), (75649, 249490), (82618, 228445), (86254, 218815), (87526, 215635), (91378, 206545), (108070, 174643), (124745, 151298)]