18686986670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1\times {\mathrm{607}}^1$

素因数の和:906

約数の個数: 128

約数和(自身を含む): 39543386112

約数和(自身を除く): 20856399442

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 101, 110, 163, 170, 187, 202, 326, 374, 505, 607, 815, 935, 1010, 1111, 1214, 1630, 1717, 1793, 1870, 2222, 2771, 3035, 3434, 3586, 5542, 5555, 6070, 6677, 8585, 8965, 10319, 11110, 13354, 13855, 16463, 17170, 17930, 18887, 20638, 27710, 30481, 32926, 33385, 37774, 51595, 60962, 61307, 66770, 82315, 94435, 98941, 103190, 113509, 122614, 152405, 164630, 181093, 188870, 197882, 227018, 279871, 304810, 306535, 362186, 494705, 559742, 567545, 613070, 674377, 905465, 989410, 1042219, 1088351, 1135090, 1348754, 1399355, 1681997, 1810930, 2084438, 2176702, 2798710, 3078581, 3363994, 3371885, 5211095, 5441755, 6157162, 6743770, 8409985, 9993041, 10422190, 10883510, 11464409, 15392905, 16819970, 18501967, 19986082, 22928818, 30785810, 37003934, 49965205, 57322045, 92509835, 99930410, 109923451, 114644090, 169881697, 185019670, 219846902, 339763394, 549617255, 849408485, 1099234510, 1698816970, 1868698667, 3737397334, 9343493335, 18686986670]

約数ペア:

[(1, 18686986670), (2, 9343493335), (5, 3737397334), (10, 1868698667), (11, 1698816970), (17, 1099234510), (22, 849408485), (34, 549617255), (55, 339763394), (85, 219846902), (101, 185019670), (110, 169881697), (163, 114644090), (170, 109923451), (187, 99930410), (202, 92509835), (326, 57322045), (374, 49965205), (505, 37003934), (607, 30785810), (815, 22928818), (935, 19986082), (1010, 18501967), (1111, 16819970), (1214, 15392905), (1630, 11464409), (1717, 10883510), (1793, 10422190), (1870, 9993041), (2222, 8409985), (2771, 6743770), (3035, 6157162), (3434, 5441755), (3586, 5211095), (5542, 3371885), (5555, 3363994), (6070, 3078581), (6677, 2798710), (8585, 2176702), (8965, 2084438), (10319, 1810930), (11110, 1681997), (13354, 1399355), (13855, 1348754), (16463, 1135090), (17170, 1088351), (17930, 1042219), (18887, 989410), (20638, 905465), (27710, 674377), (30481, 613070), (32926, 567545), (33385, 559742), (37774, 494705), (51595, 362186), (60962, 306535), (61307, 304810), (66770, 279871), (82315, 227018), (94435, 197882), (98941, 188870), (103190, 181093), (113509, 164630), (122614, 152405)]