19744536

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{557}}^1$

素因数の和:784

約数の個数: 64

約数和(自身を含む): 56782080

約数和(自身を除く): 37037544

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 211, 422, 557, 633, 844, 1114, 1266, 1477, 1671, 1688, 2228, 2532, 2954, 3342, 3899, 4431, 4456, 5064, 5908, 6684, 7798, 8862, 11697, 11816, 13368, 15596, 17724, 23394, 31192, 35448, 46788, 93576, 117527, 235054, 352581, 470108, 705162, 822689, 940216, 1410324, 1645378, 2468067, 2820648, 3290756, 4936134, 6581512, 9872268, 19744536]

約数ペア:

[(1, 19744536), (2, 9872268), (3, 6581512), (4, 4936134), (6, 3290756), (7, 2820648), (8, 2468067), (12, 1645378), (14, 1410324), (21, 940216), (24, 822689), (28, 705162), (42, 470108), (56, 352581), (84, 235054), (168, 117527), (211, 93576), (422, 46788), (557, 35448), (633, 31192), (844, 23394), (1114, 17724), (1266, 15596), (1477, 13368), (1671, 11816), (1688, 11697), (2228, 8862), (2532, 7798), (2954, 6684), (3342, 5908), (3899, 5064), (4431, 4456)]