19424972

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:211

約数の個数: 72

約数和(自身を含む): 42900480

約数和(自身を除く): 23475508

約数列:

[1, 2, 4, 7, 14, 23, 28, 31, 46, 49, 62, 92, 98, 124, 139, 161, 196, 217, 278, 322, 434, 556, 644, 713, 868, 973, 1127, 1426, 1519, 1946, 2254, 2852, 3038, 3197, 3892, 4309, 4508, 4991, 6076, 6394, 6811, 8618, 9982, 12788, 13622, 17236, 19964, 22379, 27244, 30163, 34937, 44758, 60326, 69874, 89516, 99107, 120652, 139748, 156653, 198214, 211141, 313306, 396428, 422282, 626612, 693749, 844564, 1387498, 2774996, 4856243, 9712486, 19424972]

約数ペア:

[(1, 19424972), (2, 9712486), (4, 4856243), (7, 2774996), (14, 1387498), (23, 844564), (28, 693749), (31, 626612), (46, 422282), (49, 396428), (62, 313306), (92, 211141), (98, 198214), (124, 156653), (139, 139748), (161, 120652), (196, 99107), (217, 89516), (278, 69874), (322, 60326), (434, 44758), (556, 34937), (644, 30163), (713, 27244), (868, 22379), (973, 19964), (1127, 17236), (1426, 13622), (1519, 12788), (1946, 9982), (2254, 8618), (2852, 6811), (3038, 6394), (3197, 6076), (3892, 4991), (4309, 4508)]