16223720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21347}}^1$

素因数の和:21377

約数の個数: 32

約数和(自身を含む): 38426400

約数和(自身を除く): 22202680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 21347, 42694, 85388, 106735, 170776, 213470, 405593, 426940, 811186, 853880, 1622372, 2027965, 3244744, 4055930, 8111860, 16223720]

約数ペア:

[(1, 16223720), (2, 8111860), (4, 4055930), (5, 3244744), (8, 2027965), (10, 1622372), (19, 853880), (20, 811186), (38, 426940), (40, 405593), (76, 213470), (95, 170776), (152, 106735), (190, 85388), (380, 42694), (760, 21347)]