19791665296

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3069427}}^1$

素因数の和:3069479

約数の個数: 40

約数和(自身を含む): 42628216064

約数和(自身を除く): 22836550768

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 3069427, 6138854, 12277708, 24555416, 39902551, 49110832, 79805102, 95152237, 159610204, 190304474, 319220408, 380608948, 638440816, 761217896, 1236979081, 1522435792, 2473958162, 4947916324, 9895832648, 19791665296]

約数ペア:

[(1, 19791665296), (2, 9895832648), (4, 4947916324), (8, 2473958162), (13, 1522435792), (16, 1236979081), (26, 761217896), (31, 638440816), (52, 380608948), (62, 319220408), (104, 190304474), (124, 159610204), (208, 95152237), (248, 79805102), (403, 49110832), (496, 39902551), (806, 24555416), (1612, 12277708), (3224, 6138854), (6448, 3069427)]