18656860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1693}}^1$

素因数の和:1750

約数の個数: 48

約数和(自身を含む): 42688800

約数和(自身を除く): 24031940

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 1102, 1693, 2204, 2755, 3386, 5510, 6772, 8465, 11020, 16930, 32167, 33860, 49097, 64334, 98194, 128668, 160835, 196388, 245485, 321670, 490970, 643340, 932843, 981940, 1865686, 3731372, 4664215, 9328430, 18656860]

約数ペア:

[(1, 18656860), (2, 9328430), (4, 4664215), (5, 3731372), (10, 1865686), (19, 981940), (20, 932843), (29, 643340), (38, 490970), (58, 321670), (76, 245485), (95, 196388), (116, 160835), (145, 128668), (190, 98194), (290, 64334), (380, 49097), (551, 33860), (580, 32167), (1102, 16930), (1693, 11020), (2204, 8465), (2755, 6772), (3386, 5510)]