19963034

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 40642560

約数和(自身を除く): 20679526

約数列:

[1, 2, 7, 13, 14, 19, 23, 26, 38, 46, 91, 133, 161, 182, 247, 251, 266, 299, 322, 437, 494, 502, 598, 874, 1729, 1757, 2093, 3059, 3263, 3458, 3514, 4186, 4769, 5681, 5773, 6118, 6526, 9538, 11362, 11546, 22841, 33383, 39767, 40411, 45682, 61997, 66766, 75049, 79534, 80822, 109687, 123994, 150098, 219374, 433979, 525343, 767809, 867958, 1050686, 1425931, 1535618, 2851862, 9981517, 19963034]

約数ペア:

[(1, 19963034), (2, 9981517), (7, 2851862), (13, 1535618), (14, 1425931), (19, 1050686), (23, 867958), (26, 767809), (38, 525343), (46, 433979), (91, 219374), (133, 150098), (161, 123994), (182, 109687), (247, 80822), (251, 79534), (266, 75049), (299, 66766), (322, 61997), (437, 45682), (494, 40411), (502, 39767), (598, 33383), (874, 22841), (1729, 11546), (1757, 11362), (2093, 9538), (3059, 6526), (3263, 6118), (3458, 5773), (3514, 5681), (4186, 4769)]