18730504

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9479}}^1$

素因数の和:9517

約数の個数: 32

約数和(自身を含む): 39816000

約数和(自身を除く): 21085496

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 9479, 18958, 37916, 75832, 123227, 180101, 246454, 360202, 492908, 720404, 985816, 1440808, 2341313, 4682626, 9365252, 18730504]

約数ペア:

[(1, 18730504), (2, 9365252), (4, 4682626), (8, 2341313), (13, 1440808), (19, 985816), (26, 720404), (38, 492908), (52, 360202), (76, 246454), (104, 180101), (152, 123227), (247, 75832), (494, 37916), (988, 18958), (1976, 9479)]