18798220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:263

約数の個数: 96

約数和(自身を含む): 49029120

約数和(自身を除く): 30230900

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 37, 38, 70, 74, 76, 95, 133, 140, 148, 185, 190, 191, 259, 266, 370, 380, 382, 518, 532, 665, 703, 740, 764, 955, 1036, 1295, 1330, 1337, 1406, 1910, 2590, 2660, 2674, 2812, 3515, 3629, 3820, 4921, 5180, 5348, 6685, 7030, 7067, 7258, 9842, 13370, 14060, 14134, 14516, 18145, 19684, 24605, 25403, 26740, 28268, 35335, 36290, 49210, 49469, 50806, 70670, 72580, 98420, 98938, 101612, 127015, 134273, 141340, 197876, 247345, 254030, 268546, 494690, 508060, 537092, 671365, 939911, 989380, 1342730, 1879822, 2685460, 3759644, 4699555, 9399110, 18798220]

約数ペア:

[(1, 18798220), (2, 9399110), (4, 4699555), (5, 3759644), (7, 2685460), (10, 1879822), (14, 1342730), (19, 989380), (20, 939911), (28, 671365), (35, 537092), (37, 508060), (38, 494690), (70, 268546), (74, 254030), (76, 247345), (95, 197876), (133, 141340), (140, 134273), (148, 127015), (185, 101612), (190, 98938), (191, 98420), (259, 72580), (266, 70670), (370, 50806), (380, 49469), (382, 49210), (518, 36290), (532, 35335), (665, 28268), (703, 26740), (740, 25403), (764, 24605), (955, 19684), (1036, 18145), (1295, 14516), (1330, 14134), (1337, 14060), (1406, 13370), (1910, 9842), (2590, 7258), (2660, 7067), (2674, 7030), (2812, 6685), (3515, 5348), (3629, 5180), (3820, 4921)]