1820702968

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1109}}^1\times {\mathrm{1543}}^1$

素因数の和:2684

約数の個数: 64

約数和(自身を含む): 4113216000

約数和(自身を除く): 2292513032

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 1109, 1543, 2218, 3086, 4436, 6172, 7763, 8872, 10801, 12344, 15526, 21071, 21602, 29317, 31052, 42142, 43204, 58634, 62104, 84284, 86408, 117268, 147497, 168568, 205219, 234536, 294994, 410438, 589988, 820876, 1179976, 1641752, 1711187, 3422374, 6844748, 11978309, 13689496, 23956618, 32512553, 47913236, 65025106, 95826472, 130050212, 227587871, 260100424, 455175742, 910351484, 1820702968]

約数ペア:

[(1, 1820702968), (2, 910351484), (4, 455175742), (7, 260100424), (8, 227587871), (14, 130050212), (19, 95826472), (28, 65025106), (38, 47913236), (56, 32512553), (76, 23956618), (133, 13689496), (152, 11978309), (266, 6844748), (532, 3422374), (1064, 1711187), (1109, 1641752), (1543, 1179976), (2218, 820876), (3086, 589988), (4436, 410438), (6172, 294994), (7763, 234536), (8872, 205219), (10801, 168568), (12344, 147497), (15526, 117268), (21071, 86408), (21602, 84284), (29317, 62104), (31052, 58634), (42142, 43204)]