19897472

素因数分解:

$2^7\times 7^1\times {\mathrm{53}}^1\times {\mathrm{419}}^1$

素因数の和:493

約数の個数: 64

約数和(自身を含む): 46267200

約数和(自身を除く): 26369728

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 64, 106, 112, 128, 212, 224, 371, 419, 424, 448, 742, 838, 848, 896, 1484, 1676, 1696, 2933, 2968, 3352, 3392, 5866, 5936, 6704, 6784, 11732, 11872, 13408, 22207, 23464, 23744, 26816, 44414, 46928, 47488, 53632, 88828, 93856, 155449, 177656, 187712, 310898, 355312, 375424, 621796, 710624, 1243592, 1421248, 2487184, 2842496, 4974368, 9948736, 19897472]

約数ペア:

[(1, 19897472), (2, 9948736), (4, 4974368), (7, 2842496), (8, 2487184), (14, 1421248), (16, 1243592), (28, 710624), (32, 621796), (53, 375424), (56, 355312), (64, 310898), (106, 187712), (112, 177656), (128, 155449), (212, 93856), (224, 88828), (371, 53632), (419, 47488), (424, 46928), (448, 44414), (742, 26816), (838, 23744), (848, 23464), (896, 22207), (1484, 13408), (1676, 11872), (1696, 11732), (2933, 6784), (2968, 6704), (3352, 5936), (3392, 5866)]