19477040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22133}}^1$

素因数の和:22157

約数の個数: 40

約数和(自身を含む): 49403088

約数和(自身を除く): 29926048

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 22133, 44266, 88532, 110665, 177064, 221330, 243463, 354128, 442660, 486926, 885320, 973852, 1217315, 1770640, 1947704, 2434630, 3895408, 4869260, 9738520, 19477040]

約数ペア:

[(1, 19477040), (2, 9738520), (4, 4869260), (5, 3895408), (8, 2434630), (10, 1947704), (11, 1770640), (16, 1217315), (20, 973852), (22, 885320), (40, 486926), (44, 442660), (55, 354128), (80, 243463), (88, 221330), (110, 177064), (176, 110665), (220, 88532), (440, 44266), (880, 22133)]