18996496324

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{620233}}^1$

素因数の和:620300

約数の個数: 48

約数和(自身を含む): 38901076480

約数和(自身を除く): 19904580156

約数列:

[1, 2, 4, 13, 19, 26, 31, 38, 52, 62, 76, 124, 247, 403, 494, 589, 806, 988, 1178, 1612, 2356, 7657, 15314, 30628, 620233, 1240466, 2480932, 8063029, 11784427, 16126058, 19227223, 23568854, 32252116, 38454446, 47137708, 76908892, 153197551, 249953899, 306395102, 365317237, 499907798, 612790204, 730634474, 999815596, 1461268948, 4749124081, 9498248162, 18996496324]

約数ペア:

[(1, 18996496324), (2, 9498248162), (4, 4749124081), (13, 1461268948), (19, 999815596), (26, 730634474), (31, 612790204), (38, 499907798), (52, 365317237), (62, 306395102), (76, 249953899), (124, 153197551), (247, 76908892), (403, 47137708), (494, 38454446), (589, 32252116), (806, 23568854), (988, 19227223), (1178, 16126058), (1612, 11784427), (2356, 8063029), (7657, 2480932), (15314, 1240466), (30628, 620233)]