19295240

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{4973}}^1$

素因数の和:5081

約数の個数: 32

約数和(自身を含む): 43870680

約数和(自身を除く): 24575440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 4973, 9946, 19892, 24865, 39784, 49730, 99460, 198920, 482381, 964762, 1929524, 2411905, 3859048, 4823810, 9647620, 19295240]

約数ペア:

[(1, 19295240), (2, 9647620), (4, 4823810), (5, 3859048), (8, 2411905), (10, 1929524), (20, 964762), (40, 482381), (97, 198920), (194, 99460), (388, 49730), (485, 39784), (776, 24865), (970, 19892), (1940, 9946), (3880, 4973)]