1918140172

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{479}}^1\times {\mathrm{1453}}^1$

素因数の和:2002

約数の個数: 48

約数和(自身を含む): 3693392640

約数和(自身を除く): 1775252468

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 479, 689, 958, 1378, 1453, 1916, 2756, 2906, 5812, 6227, 12454, 18889, 24908, 25387, 37778, 50774, 75556, 77009, 101548, 154018, 308036, 330031, 660062, 695987, 1001117, 1320124, 1391974, 2002234, 2783948, 4004468, 9047831, 18095662, 36191324, 36887311, 73774622, 147549244, 479535043, 959070086, 1918140172]

約数ペア:

[(1, 1918140172), (2, 959070086), (4, 479535043), (13, 147549244), (26, 73774622), (52, 36887311), (53, 36191324), (106, 18095662), (212, 9047831), (479, 4004468), (689, 2783948), (958, 2002234), (1378, 1391974), (1453, 1320124), (1916, 1001117), (2756, 695987), (2906, 660062), (5812, 330031), (6227, 308036), (12454, 154018), (18889, 101548), (24908, 77009), (25387, 75556), (37778, 50774)]