19972128

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{18913}}^1$

素因数の和:18937

約数の個数: 48

約数和(自身を含む): 57195936

約数和(自身を除く): 37223808

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 66, 88, 96, 132, 176, 264, 352, 528, 1056, 18913, 37826, 56739, 75652, 113478, 151304, 208043, 226956, 302608, 416086, 453912, 605216, 624129, 832172, 907824, 1248258, 1664344, 1815648, 2496516, 3328688, 4993032, 6657376, 9986064, 19972128]

約数ペア:

[(1, 19972128), (2, 9986064), (3, 6657376), (4, 4993032), (6, 3328688), (8, 2496516), (11, 1815648), (12, 1664344), (16, 1248258), (22, 907824), (24, 832172), (32, 624129), (33, 605216), (44, 453912), (48, 416086), (66, 302608), (88, 226956), (96, 208043), (132, 151304), (176, 113478), (264, 75652), (352, 56739), (528, 37826), (1056, 18913)]