19021940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1637}}^1$

素因数の和:1736

約数の個数: 48

約数和(自身を含む): 46230912

約数和(自身を除く): 27208972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 415, 581, 830, 1162, 1637, 1660, 2324, 2905, 3274, 5810, 6548, 8185, 11459, 11620, 16370, 22918, 32740, 45836, 57295, 114590, 135871, 229180, 271742, 543484, 679355, 951097, 1358710, 1902194, 2717420, 3804388, 4755485, 9510970, 19021940]

約数ペア:

[(1, 19021940), (2, 9510970), (4, 4755485), (5, 3804388), (7, 2717420), (10, 1902194), (14, 1358710), (20, 951097), (28, 679355), (35, 543484), (70, 271742), (83, 229180), (140, 135871), (166, 114590), (332, 57295), (415, 45836), (581, 32740), (830, 22918), (1162, 16370), (1637, 11620), (1660, 11459), (2324, 8185), (2905, 6548), (3274, 5810)]