19818064

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:240

約数の個数: 80

約数和(自身を含む): 47219200

約数和(自身を除く): 27401136

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 67, 76, 112, 133, 134, 139, 152, 266, 268, 278, 304, 469, 532, 536, 556, 938, 973, 1064, 1072, 1112, 1273, 1876, 1946, 2128, 2224, 2546, 2641, 3752, 3892, 5092, 5282, 7504, 7784, 8911, 9313, 10184, 10564, 15568, 17822, 18487, 18626, 20368, 21128, 35644, 36974, 37252, 42256, 65191, 71288, 73948, 74504, 130382, 142576, 147896, 149008, 176947, 260764, 295792, 353894, 521528, 707788, 1043056, 1238629, 1415576, 2477258, 2831152, 4954516, 9909032, 19818064]

約数ペア:

[(1, 19818064), (2, 9909032), (4, 4954516), (7, 2831152), (8, 2477258), (14, 1415576), (16, 1238629), (19, 1043056), (28, 707788), (38, 521528), (56, 353894), (67, 295792), (76, 260764), (112, 176947), (133, 149008), (134, 147896), (139, 142576), (152, 130382), (266, 74504), (268, 73948), (278, 71288), (304, 65191), (469, 42256), (532, 37252), (536, 36974), (556, 35644), (938, 21128), (973, 20368), (1064, 18626), (1072, 18487), (1112, 17822), (1273, 15568), (1876, 10564), (1946, 10184), (2128, 9313), (2224, 8911), (2546, 7784), (2641, 7504), (3752, 5282), (3892, 5092)]