19697612

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 39916800

約数和(自身を除く): 20219188

約数列:

[1, 2, 4, 11, 22, 29, 43, 44, 58, 86, 116, 172, 319, 359, 473, 638, 718, 946, 1247, 1276, 1436, 1892, 2494, 3949, 4988, 7898, 10411, 13717, 15437, 15796, 20822, 27434, 30874, 41644, 54868, 61748, 114521, 169807, 229042, 339614, 447673, 458084, 679228, 895346, 1790692, 4924403, 9848806, 19697612]

約数ペア:

[(1, 19697612), (2, 9848806), (4, 4924403), (11, 1790692), (22, 895346), (29, 679228), (43, 458084), (44, 447673), (58, 339614), (86, 229042), (116, 169807), (172, 114521), (319, 61748), (359, 54868), (473, 41644), (638, 30874), (718, 27434), (946, 20822), (1247, 15796), (1276, 15437), (1436, 13717), (1892, 10411), (2494, 7898), (3949, 4988)]