2018097160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{431}}^1$

素因数の和:623

約数の個数: 128

約数和(自身を含む): 4917542400

約数和(自身を除く): 2899445240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 61, 76, 95, 101, 122, 152, 190, 202, 244, 305, 380, 404, 431, 488, 505, 610, 760, 808, 862, 1010, 1159, 1220, 1724, 1919, 2020, 2155, 2318, 2440, 3448, 3838, 4040, 4310, 4636, 5795, 6161, 7676, 8189, 8620, 9272, 9595, 11590, 12322, 15352, 16378, 17240, 19190, 23180, 24644, 26291, 30805, 32756, 38380, 40945, 43531, 46360, 49288, 52582, 61610, 65512, 76760, 81890, 87062, 105164, 117059, 123220, 131455, 163780, 174124, 210328, 217655, 234118, 246440, 262910, 327560, 348248, 435310, 468236, 499529, 525820, 585295, 827089, 870620, 936472, 999058, 1051640, 1170590, 1654178, 1741240, 1998116, 2341180, 2497645, 2655391, 3308356, 3996232, 4135445, 4682360, 4995290, 5310782, 6616712, 8270890, 9990580, 10621564, 13276955, 16541780, 19981160, 21243128, 26553910, 33083560, 50452429, 53107820, 100904858, 106215640, 201809716, 252262145, 403619432, 504524290, 1009048580, 2018097160]

約数ペア:

[(1, 2018097160), (2, 1009048580), (4, 504524290), (5, 403619432), (8, 252262145), (10, 201809716), (19, 106215640), (20, 100904858), (38, 53107820), (40, 50452429), (61, 33083560), (76, 26553910), (95, 21243128), (101, 19981160), (122, 16541780), (152, 13276955), (190, 10621564), (202, 9990580), (244, 8270890), (305, 6616712), (380, 5310782), (404, 4995290), (431, 4682360), (488, 4135445), (505, 3996232), (610, 3308356), (760, 2655391), (808, 2497645), (862, 2341180), (1010, 1998116), (1159, 1741240), (1220, 1654178), (1724, 1170590), (1919, 1051640), (2020, 999058), (2155, 936472), (2318, 870620), (2440, 827089), (3448, 585295), (3838, 525820), (4040, 499529), (4310, 468236), (4636, 435310), (5795, 348248), (6161, 327560), (7676, 262910), (8189, 246440), (8620, 234118), (9272, 217655), (9595, 210328), (11590, 174124), (12322, 163780), (15352, 131455), (16378, 123220), (17240, 117059), (19190, 105164), (23180, 87062), (24644, 81890), (26291, 76760), (30805, 65512), (32756, 61610), (38380, 52582), (40945, 49288), (43531, 46360)]