19989792

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{2239}}^1$

素因数の和:2286

約数の個数: 72

約数和(自身を含む): 58705920

約数和(自身を除く): 38716128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 72, 93, 96, 124, 144, 186, 248, 279, 288, 372, 496, 558, 744, 992, 1116, 1488, 2232, 2239, 2976, 4464, 4478, 6717, 8928, 8956, 13434, 17912, 20151, 26868, 35824, 40302, 53736, 69409, 71648, 80604, 107472, 138818, 161208, 208227, 214944, 277636, 322416, 416454, 555272, 624681, 644832, 832908, 1110544, 1249362, 1665816, 2221088, 2498724, 3331632, 4997448, 6663264, 9994896, 19989792]

約数ペア:

[(1, 19989792), (2, 9994896), (3, 6663264), (4, 4997448), (6, 3331632), (8, 2498724), (9, 2221088), (12, 1665816), (16, 1249362), (18, 1110544), (24, 832908), (31, 644832), (32, 624681), (36, 555272), (48, 416454), (62, 322416), (72, 277636), (93, 214944), (96, 208227), (124, 161208), (144, 138818), (186, 107472), (248, 80604), (279, 71648), (288, 69409), (372, 53736), (496, 40302), (558, 35824), (744, 26868), (992, 20151), (1116, 17912), (1488, 13434), (2232, 8956), (2239, 8928), (2976, 6717), (4464, 4478)]