19856970

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{733}}^1$

素因数の和:796

約数の個数: 96

約数和(自身を含む): 60458112

約数和(自身を除く): 40601142

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 43, 45, 63, 70, 86, 90, 105, 126, 129, 210, 215, 258, 301, 315, 387, 430, 602, 630, 645, 733, 774, 903, 1290, 1466, 1505, 1806, 1935, 2199, 2709, 3010, 3665, 3870, 4398, 4515, 5131, 5418, 6597, 7330, 9030, 10262, 10995, 13194, 13545, 15393, 21990, 25655, 27090, 30786, 31519, 32985, 46179, 51310, 63038, 65970, 76965, 92358, 94557, 153930, 157595, 189114, 220633, 230895, 283671, 315190, 441266, 461790, 472785, 567342, 661899, 945570, 1103165, 1323798, 1418355, 1985697, 2206330, 2836710, 3309495, 3971394, 6618990, 9928485, 19856970]

約数ペア:

[(1, 19856970), (2, 9928485), (3, 6618990), (5, 3971394), (6, 3309495), (7, 2836710), (9, 2206330), (10, 1985697), (14, 1418355), (15, 1323798), (18, 1103165), (21, 945570), (30, 661899), (35, 567342), (42, 472785), (43, 461790), (45, 441266), (63, 315190), (70, 283671), (86, 230895), (90, 220633), (105, 189114), (126, 157595), (129, 153930), (210, 94557), (215, 92358), (258, 76965), (301, 65970), (315, 63038), (387, 51310), (430, 46179), (602, 32985), (630, 31519), (645, 30786), (733, 27090), (774, 25655), (903, 21990), (1290, 15393), (1466, 13545), (1505, 13194), (1806, 10995), (1935, 10262), (2199, 9030), (2709, 7330), (3010, 6597), (3665, 5418), (3870, 5131), (4398, 4515)]