20181552050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1187}}^1\times {\mathrm{1627}}^1$

素因数の和:2856

約数の個数: 96

約数和(自身を含む): 43168308480

約数和(自身を除く): 22986756430

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 190, 209, 275, 418, 475, 550, 950, 1045, 1187, 1627, 2090, 2374, 3254, 5225, 5935, 8135, 10450, 11870, 13057, 16270, 17897, 22553, 26114, 29675, 30913, 35794, 40675, 45106, 59350, 61826, 65285, 81350, 89485, 112765, 130570, 154565, 178970, 225530, 248083, 309130, 326425, 340043, 447425, 496166, 563825, 652850, 680086, 772825, 894850, 1127650, 1240415, 1545650, 1700215, 1931249, 2480830, 3400430, 3862498, 6202075, 8501075, 9656245, 12404150, 17002150, 19312490, 21243739, 36693731, 42487478, 48281225, 73387462, 96562450, 106218695, 183468655, 212437390, 366937310, 403631041, 531093475, 807262082, 917343275, 1062186950, 1834686550, 2018155205, 4036310410, 10090776025, 20181552050]

約数ペア:

[(1, 20181552050), (2, 10090776025), (5, 4036310410), (10, 2018155205), (11, 1834686550), (19, 1062186950), (22, 917343275), (25, 807262082), (38, 531093475), (50, 403631041), (55, 366937310), (95, 212437390), (110, 183468655), (190, 106218695), (209, 96562450), (275, 73387462), (418, 48281225), (475, 42487478), (550, 36693731), (950, 21243739), (1045, 19312490), (1187, 17002150), (1627, 12404150), (2090, 9656245), (2374, 8501075), (3254, 6202075), (5225, 3862498), (5935, 3400430), (8135, 2480830), (10450, 1931249), (11870, 1700215), (13057, 1545650), (16270, 1240415), (17897, 1127650), (22553, 894850), (26114, 772825), (29675, 680086), (30913, 652850), (35794, 563825), (40675, 496166), (45106, 447425), (59350, 340043), (61826, 326425), (65285, 309130), (81350, 248083), (89485, 225530), (112765, 178970), (130570, 154565)]