19912076

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{2063}}^1$

素因数の和:2213

約数の個数: 24

約数和(自身を含む): 36986880

約数和(自身を除く): 17074804

約数列:

[1, 2, 4, 19, 38, 76, 127, 254, 508, 2063, 2413, 4126, 4826, 8252, 9652, 39197, 78394, 156788, 262001, 524002, 1048004, 4978019, 9956038, 19912076]

約数ペア:

[(1, 19912076), (2, 9956038), (4, 4978019), (19, 1048004), (38, 524002), (76, 262001), (127, 156788), (254, 78394), (508, 39197), (2063, 9652), (2413, 8252), (4126, 4826)]