19251056

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1229}}^1$

素因数の和:1337

約数の個数: 40

約数和(自身を含む): 41180400

約数和(自身を除く): 21929344

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 89, 176, 178, 356, 712, 979, 1229, 1424, 1958, 2458, 3916, 4916, 7832, 9832, 13519, 15664, 19664, 27038, 54076, 108152, 109381, 216304, 218762, 437524, 875048, 1203191, 1750096, 2406382, 4812764, 9625528, 19251056]

約数ペア:

[(1, 19251056), (2, 9625528), (4, 4812764), (8, 2406382), (11, 1750096), (16, 1203191), (22, 875048), (44, 437524), (88, 218762), (89, 216304), (176, 109381), (178, 108152), (356, 54076), (712, 27038), (979, 19664), (1229, 15664), (1424, 13519), (1958, 9832), (2458, 7832), (3916, 4916)]