18723516

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1627}}^1$

素因数の和:1778

約数の個数: 48

約数和(自身を含む): 50324736

約数和(自身を除く): 31601220

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 137, 274, 411, 548, 822, 959, 1627, 1644, 1918, 2877, 3254, 3836, 4881, 5754, 6508, 9762, 11389, 11508, 19524, 22778, 34167, 45556, 68334, 136668, 222899, 445798, 668697, 891596, 1337394, 1560293, 2674788, 3120586, 4680879, 6241172, 9361758, 18723516]

約数ペア:

[(1, 18723516), (2, 9361758), (3, 6241172), (4, 4680879), (6, 3120586), (7, 2674788), (12, 1560293), (14, 1337394), (21, 891596), (28, 668697), (42, 445798), (84, 222899), (137, 136668), (274, 68334), (411, 45556), (548, 34167), (822, 22778), (959, 19524), (1627, 11508), (1644, 11389), (1918, 9762), (2877, 6508), (3254, 5754), (3836, 4881)]