19807304

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{4789}}^1$

素因数の和:4853

約数の個数: 32

約数和(自身を含む): 41385600

約数和(自身を除く): 21578296

約数列:

[1, 2, 4, 8, 11, 22, 44, 47, 88, 94, 188, 376, 517, 1034, 2068, 4136, 4789, 9578, 19156, 38312, 52679, 105358, 210716, 225083, 421432, 450166, 900332, 1800664, 2475913, 4951826, 9903652, 19807304]

約数ペア:

[(1, 19807304), (2, 9903652), (4, 4951826), (8, 2475913), (11, 1800664), (22, 900332), (44, 450166), (47, 421432), (88, 225083), (94, 210716), (188, 105358), (376, 52679), (517, 38312), (1034, 19156), (2068, 9578), (4136, 4789)]