19710152

素因数分解:

$2^3\times 7^3\times {\mathrm{11}}^1\times {\mathrm{653}}^1$

素因数の和:691

約数の個数: 64

約数和(自身を含む): 47088000

約数和(自身を除く): 27377848

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 343, 392, 539, 616, 653, 686, 1078, 1306, 1372, 2156, 2612, 2744, 3773, 4312, 4571, 5224, 7183, 7546, 9142, 14366, 15092, 18284, 28732, 30184, 31997, 36568, 50281, 57464, 63994, 100562, 127988, 201124, 223979, 255976, 351967, 402248, 447958, 703934, 895916, 1407868, 1791832, 2463769, 2815736, 4927538, 9855076, 19710152]

約数ペア:

[(1, 19710152), (2, 9855076), (4, 4927538), (7, 2815736), (8, 2463769), (11, 1791832), (14, 1407868), (22, 895916), (28, 703934), (44, 447958), (49, 402248), (56, 351967), (77, 255976), (88, 223979), (98, 201124), (154, 127988), (196, 100562), (308, 63994), (343, 57464), (392, 50281), (539, 36568), (616, 31997), (653, 30184), (686, 28732), (1078, 18284), (1306, 15092), (1372, 14366), (2156, 9142), (2612, 7546), (2744, 7183), (3773, 5224), (4312, 4571)]