19739360

素因数分解:

$2^5\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1153}}^1$

素因数の和:1275

約数の個数: 48

約数和(自身を含む): 47110896

約数和(自身を除く): 27371536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 107, 160, 214, 428, 535, 856, 1070, 1153, 1712, 2140, 2306, 3424, 4280, 4612, 5765, 8560, 9224, 11530, 17120, 18448, 23060, 36896, 46120, 92240, 123371, 184480, 246742, 493484, 616855, 986968, 1233710, 1973936, 2467420, 3947872, 4934840, 9869680, 19739360]

約数ペア:

[(1, 19739360), (2, 9869680), (4, 4934840), (5, 3947872), (8, 2467420), (10, 1973936), (16, 1233710), (20, 986968), (32, 616855), (40, 493484), (80, 246742), (107, 184480), (160, 123371), (214, 92240), (428, 46120), (535, 36896), (856, 23060), (1070, 18448), (1153, 17120), (1712, 11530), (2140, 9224), (2306, 8560), (3424, 5765), (4280, 4612)]