19716471796

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1553}}^1\times {\mathrm{11059}}^1$

素因数の和:12664

約数の個数: 48

約数和(自身を含む): 40424388480

約数和(自身を除く): 20707916684

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 1553, 3106, 6212, 10871, 11059, 21742, 22118, 43484, 44236, 63673, 77413, 127346, 154826, 254692, 309652, 445711, 453419, 891422, 906838, 1782844, 1813676, 3173933, 6347866, 12695732, 17174627, 34349254, 68698508, 120222389, 240444778, 480889556, 704159707, 1408319414, 2816638828, 4929117949, 9858235898, 19716471796]

約数ペア:

[(1, 19716471796), (2, 9858235898), (4, 4929117949), (7, 2816638828), (14, 1408319414), (28, 704159707), (41, 480889556), (82, 240444778), (164, 120222389), (287, 68698508), (574, 34349254), (1148, 17174627), (1553, 12695732), (3106, 6347866), (6212, 3173933), (10871, 1813676), (11059, 1782844), (21742, 906838), (22118, 891422), (43484, 453419), (44236, 445711), (63673, 309652), (77413, 254692), (127346, 154826)]