19221436

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{991}}^1$

素因数の和:1381

約数の個数: 24

約数和(自身を含む): 36358784

約数和(自身を除く): 17137348

約数列:

[1, 2, 4, 13, 26, 52, 373, 746, 991, 1492, 1982, 3964, 4849, 9698, 12883, 19396, 25766, 51532, 369643, 739286, 1478572, 4805359, 9610718, 19221436]

約数ペア:

[(1, 19221436), (2, 9610718), (4, 4805359), (13, 1478572), (26, 739286), (52, 369643), (373, 51532), (746, 25766), (991, 19396), (1492, 12883), (1982, 9698), (3964, 4849)]