18837854

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:253

約数の個数: 48

約数和(自身を含む): 35349120

約数和(自身を除く): 16511266

約数列:

[1, 2, 7, 14, 19, 38, 49, 67, 98, 133, 134, 151, 266, 302, 469, 931, 938, 1057, 1273, 1862, 2114, 2546, 2869, 3283, 5738, 6566, 7399, 8911, 10117, 14798, 17822, 20083, 20234, 40166, 62377, 70819, 124754, 140581, 141638, 192223, 281162, 384446, 495733, 991466, 1345561, 2691122, 9418927, 18837854]

約数ペア:

[(1, 18837854), (2, 9418927), (7, 2691122), (14, 1345561), (19, 991466), (38, 495733), (49, 384446), (67, 281162), (98, 192223), (133, 141638), (134, 140581), (151, 124754), (266, 70819), (302, 62377), (469, 40166), (931, 20234), (938, 20083), (1057, 17822), (1273, 14798), (1862, 10117), (2114, 8911), (2546, 7399), (2869, 6566), (3283, 5738)]