19385080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3389}}^1$

素因数の和:3424

約数の個数: 64

約数和(自身を含む): 51256800

約数和(自身を除く): 31871720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 3389, 5720, 6778, 13556, 16945, 27112, 33890, 37279, 44057, 67780, 74558, 88114, 135560, 149116, 176228, 186395, 220285, 298232, 352456, 372790, 440570, 484627, 745580, 881140, 969254, 1491160, 1762280, 1938508, 2423135, 3877016, 4846270, 9692540, 19385080]

約数ペア:

[(1, 19385080), (2, 9692540), (4, 4846270), (5, 3877016), (8, 2423135), (10, 1938508), (11, 1762280), (13, 1491160), (20, 969254), (22, 881140), (26, 745580), (40, 484627), (44, 440570), (52, 372790), (55, 352456), (65, 298232), (88, 220285), (104, 186395), (110, 176228), (130, 149116), (143, 135560), (220, 88114), (260, 74558), (286, 67780), (440, 44057), (520, 37279), (572, 33890), (715, 27112), (1144, 16945), (1430, 13556), (2860, 6778), (3389, 5720)]