19644898

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{23}}^1$

素因数の和:96

約数の個数: 72

約数和(自身を含む): 40160448

約数和(自身を除く): 20515550

約数列:

[1, 2, 7, 13, 14, 19, 23, 26, 38, 46, 91, 133, 161, 169, 182, 247, 266, 299, 322, 338, 361, 437, 494, 598, 722, 874, 1183, 1729, 2093, 2366, 2527, 3059, 3211, 3458, 3887, 4186, 4693, 5054, 5681, 6118, 6422, 7774, 8303, 9386, 11362, 16606, 22477, 27209, 32851, 39767, 44954, 54418, 58121, 61009, 65702, 73853, 79534, 107939, 116242, 122018, 147706, 215878, 427063, 516971, 755573, 854126, 1033942, 1403207, 1511146, 2806414, 9822449, 19644898]

約数ペア:

[(1, 19644898), (2, 9822449), (7, 2806414), (13, 1511146), (14, 1403207), (19, 1033942), (23, 854126), (26, 755573), (38, 516971), (46, 427063), (91, 215878), (133, 147706), (161, 122018), (169, 116242), (182, 107939), (247, 79534), (266, 73853), (299, 65702), (322, 61009), (338, 58121), (361, 54418), (437, 44954), (494, 39767), (598, 32851), (722, 27209), (874, 22477), (1183, 16606), (1729, 11362), (2093, 9386), (2366, 8303), (2527, 7774), (3059, 6422), (3211, 6118), (3458, 5681), (3887, 5054), (4186, 4693)]