19906812

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{13487}}^1$

素因数の和:13538

約数の個数: 36

約数和(自身を含む): 51551136

約数和(自身を除く): 31644324

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 123, 164, 246, 369, 492, 738, 1476, 13487, 26974, 40461, 53948, 80922, 121383, 161844, 242766, 485532, 552967, 1105934, 1658901, 2211868, 3317802, 4976703, 6635604, 9953406, 19906812]

約数ペア:

[(1, 19906812), (2, 9953406), (3, 6635604), (4, 4976703), (6, 3317802), (9, 2211868), (12, 1658901), (18, 1105934), (36, 552967), (41, 485532), (82, 242766), (123, 161844), (164, 121383), (246, 80922), (369, 53948), (492, 40461), (738, 26974), (1476, 13487)]