2019979832

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{173}}^1\times {\mathrm{311}}^1$

素因数の和:541

約数の個数: 96

約数和(自身を含む): 4343582880

約数和(自身を除く): 2323603048

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 173, 247, 311, 346, 361, 494, 622, 692, 722, 988, 1244, 1384, 1444, 1976, 2249, 2488, 2888, 3287, 4043, 4498, 4693, 5909, 6574, 8086, 8996, 9386, 11818, 13148, 16172, 17992, 18772, 23636, 26296, 32344, 37544, 42731, 47272, 53803, 62453, 76817, 85462, 107606, 112271, 124906, 153634, 170924, 215212, 224542, 249812, 307268, 341848, 430424, 449084, 499624, 614536, 699439, 811889, 898168, 1022257, 1398878, 1459523, 1623778, 2044514, 2797756, 2919046, 3247556, 4089028, 5595512, 5838092, 6495112, 8178056, 11676184, 13289341, 19422883, 26578682, 38845766, 53157364, 77691532, 106314728, 155383064, 252497479, 504994958, 1009989916, 2019979832]

約数ペア:

[(1, 2019979832), (2, 1009989916), (4, 504994958), (8, 252497479), (13, 155383064), (19, 106314728), (26, 77691532), (38, 53157364), (52, 38845766), (76, 26578682), (104, 19422883), (152, 13289341), (173, 11676184), (247, 8178056), (311, 6495112), (346, 5838092), (361, 5595512), (494, 4089028), (622, 3247556), (692, 2919046), (722, 2797756), (988, 2044514), (1244, 1623778), (1384, 1459523), (1444, 1398878), (1976, 1022257), (2249, 898168), (2488, 811889), (2888, 699439), (3287, 614536), (4043, 499624), (4498, 449084), (4693, 430424), (5909, 341848), (6574, 307268), (8086, 249812), (8996, 224542), (9386, 215212), (11818, 170924), (13148, 153634), (16172, 124906), (17992, 112271), (18772, 107606), (23636, 85462), (26296, 76817), (32344, 62453), (37544, 53803), (42731, 47272)]