19372016

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{761}}^1$

素因数の和:849

約数の個数: 40

約数和(自身を含む): 39495984

約数和(自身を除く): 20123968

約数列:

[1, 2, 4, 8, 16, 37, 43, 74, 86, 148, 172, 296, 344, 592, 688, 761, 1522, 1591, 3044, 3182, 6088, 6364, 12176, 12728, 25456, 28157, 32723, 56314, 65446, 112628, 130892, 225256, 261784, 450512, 523568, 1210751, 2421502, 4843004, 9686008, 19372016]

約数ペア:

[(1, 19372016), (2, 9686008), (4, 4843004), (8, 2421502), (16, 1210751), (37, 523568), (43, 450512), (74, 261784), (86, 225256), (148, 130892), (172, 112628), (296, 65446), (344, 56314), (592, 32723), (688, 28157), (761, 25456), (1522, 12728), (1591, 12176), (3044, 6364), (3182, 6088)]