13489901428

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{9342037}}^1$

素因数の和:9342079

約数の個数: 18

約数和(自身を含む): 24915215346

約数和(自身を除く): 11425313918

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 9342037, 18684074, 37368148, 177498703, 354997406, 709994812, 3372475357, 6744950714, 13489901428]

約数ペア:

[(1, 13489901428), (2, 6744950714), (4, 3372475357), (19, 709994812), (38, 354997406), (76, 177498703), (361, 37368148), (722, 18684074), (1444, 9342037)]