19506696

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1997}}^1$

素因数の和:2054

約数の個数: 64

約数和(自身を含む): 54665280

約数和(自身を除く): 35158584

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 37, 44, 66, 74, 88, 111, 132, 148, 222, 264, 296, 407, 444, 814, 888, 1221, 1628, 1997, 2442, 3256, 3994, 4884, 5991, 7988, 9768, 11982, 15976, 21967, 23964, 43934, 47928, 65901, 73889, 87868, 131802, 147778, 175736, 221667, 263604, 295556, 443334, 527208, 591112, 812779, 886668, 1625558, 1773336, 2438337, 3251116, 4876674, 6502232, 9753348, 19506696]

約数ペア:

[(1, 19506696), (2, 9753348), (3, 6502232), (4, 4876674), (6, 3251116), (8, 2438337), (11, 1773336), (12, 1625558), (22, 886668), (24, 812779), (33, 591112), (37, 527208), (44, 443334), (66, 295556), (74, 263604), (88, 221667), (111, 175736), (132, 147778), (148, 131802), (222, 87868), (264, 73889), (296, 65901), (407, 47928), (444, 43934), (814, 23964), (888, 21967), (1221, 15976), (1628, 11982), (1997, 9768), (2442, 7988), (3256, 5991), (3994, 4884)]