19319800

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{3331}}^1$

素因数の和:3376

約数の個数: 48

約数和(自身を含む): 46481400

約数和(自身を除く): 27161600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 145, 200, 232, 290, 580, 725, 1160, 1450, 2900, 3331, 5800, 6662, 13324, 16655, 26648, 33310, 66620, 83275, 96599, 133240, 166550, 193198, 333100, 386396, 482995, 666200, 772792, 965990, 1931980, 2414975, 3863960, 4829950, 9659900, 19319800]

約数ペア:

[(1, 19319800), (2, 9659900), (4, 4829950), (5, 3863960), (8, 2414975), (10, 1931980), (20, 965990), (25, 772792), (29, 666200), (40, 482995), (50, 386396), (58, 333100), (100, 193198), (116, 166550), (145, 133240), (200, 96599), (232, 83275), (290, 66620), (580, 33310), (725, 26648), (1160, 16655), (1450, 13324), (2900, 6662), (3331, 5800)]