18911802

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1823}}^1$

素因数の和:1867

約数の個数: 64

約数和(自身を含む): 49029120

約数和(自身を除く): 30117318

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 57, 78, 91, 114, 133, 182, 247, 266, 273, 399, 494, 546, 741, 798, 1482, 1729, 1823, 3458, 3646, 5187, 5469, 10374, 10938, 12761, 23699, 25522, 34637, 38283, 47398, 69274, 71097, 76566, 103911, 142194, 165893, 207822, 242459, 331786, 450281, 484918, 497679, 727377, 900562, 995358, 1350843, 1454754, 2701686, 3151967, 6303934, 9455901, 18911802]

約数ペア:

[(1, 18911802), (2, 9455901), (3, 6303934), (6, 3151967), (7, 2701686), (13, 1454754), (14, 1350843), (19, 995358), (21, 900562), (26, 727377), (38, 497679), (39, 484918), (42, 450281), (57, 331786), (78, 242459), (91, 207822), (114, 165893), (133, 142194), (182, 103911), (247, 76566), (266, 71097), (273, 69274), (399, 47398), (494, 38283), (546, 34637), (741, 25522), (798, 23699), (1482, 12761), (1729, 10938), (1823, 10374), (3458, 5469), (3646, 5187)]