19881470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6043}}^1$

素因数の和:6104

約数の個数: 32

約数和(自身を含む): 41776128

約数和(自身を除く): 21894658

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 70, 94, 235, 329, 470, 658, 1645, 3290, 6043, 12086, 30215, 42301, 60430, 84602, 211505, 284021, 423010, 568042, 1420105, 1988147, 2840210, 3976294, 9940735, 19881470]

約数ペア:

[(1, 19881470), (2, 9940735), (5, 3976294), (7, 2840210), (10, 1988147), (14, 1420105), (35, 568042), (47, 423010), (70, 284021), (94, 211505), (235, 84602), (329, 60430), (470, 42301), (658, 30215), (1645, 12086), (3290, 6043)]