19491808

素因数分解:

$2^5\times 7^2\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:456

約数の個数: 72

約数和(自身を含む): 46194624

約数和(自身を除く): 26702816

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 98, 112, 124, 196, 217, 224, 248, 392, 401, 434, 496, 784, 802, 868, 992, 1519, 1568, 1604, 1736, 2807, 3038, 3208, 3472, 5614, 6076, 6416, 6944, 11228, 12152, 12431, 12832, 19649, 22456, 24304, 24862, 39298, 44912, 48608, 49724, 78596, 87017, 89824, 99448, 157192, 174034, 198896, 314384, 348068, 397792, 609119, 628768, 696136, 1218238, 1392272, 2436476, 2784544, 4872952, 9745904, 19491808]

約数ペア:

[(1, 19491808), (2, 9745904), (4, 4872952), (7, 2784544), (8, 2436476), (14, 1392272), (16, 1218238), (28, 696136), (31, 628768), (32, 609119), (49, 397792), (56, 348068), (62, 314384), (98, 198896), (112, 174034), (124, 157192), (196, 99448), (217, 89824), (224, 87017), (248, 78596), (392, 49724), (401, 48608), (434, 44912), (496, 39298), (784, 24862), (802, 24304), (868, 22456), (992, 19649), (1519, 12832), (1568, 12431), (1604, 12152), (1736, 11228), (2807, 6944), (3038, 6416), (3208, 6076), (3472, 5614)]