19700010

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1$

素因数の和:111

約数の個数: 144

約数和(自身を含む): 59256288

約数和(自身を除く): 39556278

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 67, 81, 90, 99, 110, 121, 134, 135, 162, 165, 198, 201, 242, 243, 270, 297, 330, 335, 363, 402, 405, 486, 495, 594, 603, 605, 670, 726, 737, 810, 891, 990, 1005, 1089, 1206, 1210, 1215, 1474, 1485, 1782, 1809, 1815, 2010, 2178, 2211, 2430, 2673, 2970, 3015, 3267, 3618, 3630, 3685, 4422, 4455, 5346, 5427, 5445, 6030, 6534, 6633, 7370, 8107, 8910, 9045, 9801, 10854, 10890, 11055, 13266, 13365, 16214, 16281, 16335, 18090, 19602, 19899, 22110, 24321, 26730, 27135, 29403, 32562, 32670, 33165, 39798, 40535, 48642, 49005, 54270, 58806, 59697, 66330, 72963, 81070, 81405, 98010, 99495, 119394, 121605, 145926, 147015, 162810, 179091, 198990, 218889, 243210, 294030, 298485, 358182, 364815, 437778, 596970, 656667, 729630, 895455, 1094445, 1313334, 1790910, 1970001, 2188890, 3283335, 3940002, 6566670, 9850005, 19700010]

約数ペア:

[(1, 19700010), (2, 9850005), (3, 6566670), (5, 3940002), (6, 3283335), (9, 2188890), (10, 1970001), (11, 1790910), (15, 1313334), (18, 1094445), (22, 895455), (27, 729630), (30, 656667), (33, 596970), (45, 437778), (54, 364815), (55, 358182), (66, 298485), (67, 294030), (81, 243210), (90, 218889), (99, 198990), (110, 179091), (121, 162810), (134, 147015), (135, 145926), (162, 121605), (165, 119394), (198, 99495), (201, 98010), (242, 81405), (243, 81070), (270, 72963), (297, 66330), (330, 59697), (335, 58806), (363, 54270), (402, 49005), (405, 48642), (486, 40535), (495, 39798), (594, 33165), (603, 32670), (605, 32562), (670, 29403), (726, 27135), (737, 26730), (810, 24321), (891, 22110), (990, 19899), (1005, 19602), (1089, 18090), (1206, 16335), (1210, 16281), (1215, 16214), (1474, 13365), (1485, 13266), (1782, 11055), (1809, 10890), (1815, 10854), (2010, 9801), (2178, 9045), (2211, 8910), (2430, 8107), (2673, 7370), (2970, 6633), (3015, 6534), (3267, 6030), (3618, 5445), (3630, 5427), (3685, 5346), (4422, 4455)]