18473776

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{907}}^1$

素因数の和:1001

約数の個数: 40

約数和(自身を含む): 38281280

約数和(自身を除く): 19807504

約数列:

[1, 2, 4, 8, 16, 19, 38, 67, 76, 134, 152, 268, 304, 536, 907, 1072, 1273, 1814, 2546, 3628, 5092, 7256, 10184, 14512, 17233, 20368, 34466, 60769, 68932, 121538, 137864, 243076, 275728, 486152, 972304, 1154611, 2309222, 4618444, 9236888, 18473776]

約数ペア:

[(1, 18473776), (2, 9236888), (4, 4618444), (8, 2309222), (16, 1154611), (19, 972304), (38, 486152), (67, 275728), (76, 243076), (134, 137864), (152, 121538), (268, 68932), (304, 60769), (536, 34466), (907, 20368), (1072, 17233), (1273, 14512), (1814, 10184), (2546, 7256), (3628, 5092)]