19884060

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1$

素因数の和:432

約数の個数: 144

約数和(自身を含む): 70726656

約数和(自身を除く): 50842596

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 60, 63, 70, 84, 86, 90, 105, 126, 129, 140, 172, 180, 210, 215, 252, 258, 301, 315, 367, 387, 420, 430, 516, 602, 630, 645, 734, 774, 860, 903, 1101, 1204, 1260, 1290, 1468, 1505, 1548, 1806, 1835, 1935, 2202, 2569, 2580, 2709, 3010, 3303, 3612, 3670, 3870, 4404, 4515, 5138, 5418, 5505, 6020, 6606, 7340, 7707, 7740, 9030, 10276, 10836, 11010, 12845, 13212, 13545, 15414, 15781, 16515, 18060, 22020, 23121, 25690, 27090, 30828, 31562, 33030, 38535, 46242, 47343, 51380, 54180, 63124, 66060, 77070, 78905, 92484, 94686, 110467, 115605, 142029, 154140, 157810, 189372, 220934, 231210, 236715, 284058, 315620, 331401, 441868, 462420, 473430, 552335, 568116, 662802, 710145, 946860, 994203, 1104670, 1325604, 1420290, 1657005, 1988406, 2209340, 2840580, 3314010, 3976812, 4971015, 6628020, 9942030, 19884060]

約数ペア:

[(1, 19884060), (2, 9942030), (3, 6628020), (4, 4971015), (5, 3976812), (6, 3314010), (7, 2840580), (9, 2209340), (10, 1988406), (12, 1657005), (14, 1420290), (15, 1325604), (18, 1104670), (20, 994203), (21, 946860), (28, 710145), (30, 662802), (35, 568116), (36, 552335), (42, 473430), (43, 462420), (45, 441868), (60, 331401), (63, 315620), (70, 284058), (84, 236715), (86, 231210), (90, 220934), (105, 189372), (126, 157810), (129, 154140), (140, 142029), (172, 115605), (180, 110467), (210, 94686), (215, 92484), (252, 78905), (258, 77070), (301, 66060), (315, 63124), (367, 54180), (387, 51380), (420, 47343), (430, 46242), (516, 38535), (602, 33030), (630, 31562), (645, 30828), (734, 27090), (774, 25690), (860, 23121), (903, 22020), (1101, 18060), (1204, 16515), (1260, 15781), (1290, 15414), (1468, 13545), (1505, 13212), (1548, 12845), (1806, 11010), (1835, 10836), (1935, 10276), (2202, 9030), (2569, 7740), (2580, 7707), (2709, 7340), (3010, 6606), (3303, 6020), (3612, 5505), (3670, 5418), (3870, 5138), (4404, 4515)]