19989372

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1321}}^1$

素因数の和:1438

約数の個数: 48

約数和(自身を含む): 50785952

約数和(自身を除く): 30796580

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 97, 156, 194, 291, 388, 582, 1164, 1261, 1321, 2522, 2642, 3783, 3963, 5044, 5284, 7566, 7926, 15132, 15852, 17173, 34346, 51519, 68692, 103038, 128137, 206076, 256274, 384411, 512548, 768822, 1537644, 1665781, 3331562, 4997343, 6663124, 9994686, 19989372]

約数ペア:

[(1, 19989372), (2, 9994686), (3, 6663124), (4, 4997343), (6, 3331562), (12, 1665781), (13, 1537644), (26, 768822), (39, 512548), (52, 384411), (78, 256274), (97, 206076), (156, 128137), (194, 103038), (291, 68692), (388, 51519), (582, 34346), (1164, 17173), (1261, 15852), (1321, 15132), (2522, 7926), (2642, 7566), (3783, 5284), (3963, 5044)]