19847070

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2141}}^1$

素因数の和:2257

約数の個数: 48

約数和(自身を含む): 52127712

約数和(自身を除く): 32280642

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 103, 206, 309, 515, 618, 927, 1030, 1545, 1854, 2141, 3090, 4282, 4635, 6423, 9270, 10705, 12846, 19269, 21410, 32115, 38538, 64230, 96345, 192690, 220523, 441046, 661569, 1102615, 1323138, 1984707, 2205230, 3307845, 3969414, 6615690, 9923535, 19847070]

約数ペア:

[(1, 19847070), (2, 9923535), (3, 6615690), (5, 3969414), (6, 3307845), (9, 2205230), (10, 1984707), (15, 1323138), (18, 1102615), (30, 661569), (45, 441046), (90, 220523), (103, 192690), (206, 96345), (309, 64230), (515, 38538), (618, 32115), (927, 21410), (1030, 19269), (1545, 12846), (1854, 10705), (2141, 9270), (3090, 6423), (4282, 4635)]