19260956

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{223}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 40040448

約数和(自身を除く): 20779492

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 151, 223, 286, 302, 446, 572, 604, 892, 1661, 1963, 2453, 2899, 3322, 3926, 4906, 5798, 6644, 7852, 9812, 11596, 21593, 31889, 33673, 43186, 63778, 67346, 86372, 127556, 134692, 370403, 437749, 740806, 875498, 1481612, 1750996, 4815239, 9630478, 19260956]

約数ペア:

[(1, 19260956), (2, 9630478), (4, 4815239), (11, 1750996), (13, 1481612), (22, 875498), (26, 740806), (44, 437749), (52, 370403), (143, 134692), (151, 127556), (223, 86372), (286, 67346), (302, 63778), (446, 43186), (572, 33673), (604, 31889), (892, 21593), (1661, 11596), (1963, 9812), (2453, 7852), (2899, 6644), (3322, 5798), (3926, 4906)]