19975404

素因数分解:

$2^2\times 3^1\times {\mathrm{97}}^1\times {\mathrm{131}}^2$

素因数の和:366

約数の個数: 36

約数和(自身を含む): 47451992

約数和(自身を除く): 27476588

約数列:

[1, 2, 3, 4, 6, 12, 97, 131, 194, 262, 291, 388, 393, 524, 582, 786, 1164, 1572, 12707, 17161, 25414, 34322, 38121, 50828, 51483, 68644, 76242, 102966, 152484, 205932, 1664617, 3329234, 4993851, 6658468, 9987702, 19975404]

約数ペア:

[(1, 19975404), (2, 9987702), (3, 6658468), (4, 4993851), (6, 3329234), (12, 1664617), (97, 205932), (131, 152484), (194, 102966), (262, 76242), (291, 68644), (388, 51483), (393, 50828), (524, 38121), (582, 34322), (786, 25414), (1164, 17161), (1572, 12707)]