19802992

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3041}}^1$

素因数の和:3097

約数の個数: 40

約数和(自身を含む): 43001712

約数和(自身を除く): 23198720

約数列:

[1, 2, 4, 8, 11, 16, 22, 37, 44, 74, 88, 148, 176, 296, 407, 592, 814, 1628, 3041, 3256, 6082, 6512, 12164, 24328, 33451, 48656, 66902, 112517, 133804, 225034, 267608, 450068, 535216, 900136, 1237687, 1800272, 2475374, 4950748, 9901496, 19802992]

約数ペア:

[(1, 19802992), (2, 9901496), (4, 4950748), (8, 2475374), (11, 1800272), (16, 1237687), (22, 900136), (37, 535216), (44, 450068), (74, 267608), (88, 225034), (148, 133804), (176, 112517), (296, 66902), (407, 48656), (592, 33451), (814, 24328), (1628, 12164), (3041, 6512), (3256, 6082)]