18073120

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8689}}^1$

素因数の和:8717

約数の個数: 48

約数和(自身を含む): 45987480

約数和(自身を除く): 27914360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 8689, 17378, 34756, 43445, 69512, 86890, 112957, 139024, 173780, 225914, 278048, 347560, 451828, 564785, 695120, 903656, 1129570, 1390240, 1807312, 2259140, 3614624, 4518280, 9036560, 18073120]

約数ペア:

[(1, 18073120), (2, 9036560), (4, 4518280), (5, 3614624), (8, 2259140), (10, 1807312), (13, 1390240), (16, 1129570), (20, 903656), (26, 695120), (32, 564785), (40, 451828), (52, 347560), (65, 278048), (80, 225914), (104, 173780), (130, 139024), (160, 112957), (208, 86890), (260, 69512), (416, 43445), (520, 34756), (1040, 17378), (2080, 8689)]