19391120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1117}}^1$

素因数の和:1168

約数の個数: 80

約数和(自身を含む): 53234688

約数和(自身を除く): 33843568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1117, 1240, 1736, 2170, 2234, 2480, 3472, 4340, 4468, 5585, 7819, 8680, 8936, 11170, 15638, 17360, 17872, 22340, 31276, 34627, 39095, 44680, 62552, 69254, 78190, 89360, 125104, 138508, 156380, 173135, 242389, 277016, 312760, 346270, 484778, 554032, 625520, 692540, 969556, 1211945, 1385080, 1939112, 2423890, 2770160, 3878224, 4847780, 9695560, 19391120]

約数ペア:

[(1, 19391120), (2, 9695560), (4, 4847780), (5, 3878224), (7, 2770160), (8, 2423890), (10, 1939112), (14, 1385080), (16, 1211945), (20, 969556), (28, 692540), (31, 625520), (35, 554032), (40, 484778), (56, 346270), (62, 312760), (70, 277016), (80, 242389), (112, 173135), (124, 156380), (140, 138508), (155, 125104), (217, 89360), (248, 78190), (280, 69254), (310, 62552), (434, 44680), (496, 39095), (560, 34627), (620, 31276), (868, 22340), (1085, 17872), (1117, 17360), (1240, 15638), (1736, 11170), (2170, 8936), (2234, 8680), (2480, 7819), (3472, 5585), (4340, 4468)]