19409340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7523}}^1$

素因数の和:7578

約数の個数: 48

約数和(自身を含む): 55617408

約数和(自身を除く): 36208068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 7523, 15046, 22569, 30092, 37615, 45138, 75230, 90276, 112845, 150460, 225690, 323489, 451380, 646978, 970467, 1293956, 1617445, 1940934, 3234890, 3881868, 4852335, 6469780, 9704670, 19409340]

約数ペア:

[(1, 19409340), (2, 9704670), (3, 6469780), (4, 4852335), (5, 3881868), (6, 3234890), (10, 1940934), (12, 1617445), (15, 1293956), (20, 970467), (30, 646978), (43, 451380), (60, 323489), (86, 225690), (129, 150460), (172, 112845), (215, 90276), (258, 75230), (430, 45138), (516, 37615), (645, 30092), (860, 22569), (1290, 15046), (2580, 7523)]