19996128

素因数分解:

$2^5\times 3^2\times {\mathrm{69431}}^1$

素因数の和:69447

約数の個数: 36

約数和(自身を含む): 56864808

約数和(自身を除く): 36868680

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 69431, 138862, 208293, 277724, 416586, 555448, 624879, 833172, 1110896, 1249758, 1666344, 2221792, 2499516, 3332688, 4999032, 6665376, 9998064, 19996128]

約数ペア:

[(1, 19996128), (2, 9998064), (3, 6665376), (4, 4999032), (6, 3332688), (8, 2499516), (9, 2221792), (12, 1666344), (16, 1249758), (18, 1110896), (24, 833172), (32, 624879), (36, 555448), (48, 416586), (72, 277724), (96, 208293), (144, 138862), (288, 69431)]