2018833220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{1033}}^1$

素因数の和:1237

約数の個数: 96

約数和(自身を含む): 4620739200

約数和(自身を除く): 2601905980

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 139, 148, 185, 190, 278, 370, 380, 556, 695, 703, 740, 1033, 1390, 1406, 2066, 2641, 2780, 2812, 3515, 4132, 5143, 5165, 5282, 7030, 10286, 10330, 10564, 13205, 14060, 19627, 20572, 20660, 25715, 26410, 38221, 39254, 51430, 52820, 76442, 78508, 97717, 98135, 102860, 143587, 152884, 191105, 195434, 196270, 287174, 382210, 390868, 392540, 488585, 574348, 717935, 726199, 764420, 977170, 1435870, 1452398, 1954340, 2728153, 2871740, 2904796, 3630995, 5312719, 5456306, 7261990, 10625438, 10912612, 13640765, 14523980, 21250876, 26563595, 27281530, 53127190, 54563060, 100941661, 106254380, 201883322, 403766644, 504708305, 1009416610, 2018833220]

約数ペア:

[(1, 2018833220), (2, 1009416610), (4, 504708305), (5, 403766644), (10, 201883322), (19, 106254380), (20, 100941661), (37, 54563060), (38, 53127190), (74, 27281530), (76, 26563595), (95, 21250876), (139, 14523980), (148, 13640765), (185, 10912612), (190, 10625438), (278, 7261990), (370, 5456306), (380, 5312719), (556, 3630995), (695, 2904796), (703, 2871740), (740, 2728153), (1033, 1954340), (1390, 1452398), (1406, 1435870), (2066, 977170), (2641, 764420), (2780, 726199), (2812, 717935), (3515, 574348), (4132, 488585), (5143, 392540), (5165, 390868), (5282, 382210), (7030, 287174), (10286, 196270), (10330, 195434), (10564, 191105), (13205, 152884), (14060, 143587), (19627, 102860), (20572, 98135), (20660, 97717), (25715, 78508), (26410, 76442), (38221, 52820), (39254, 51430)]