19761572

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{467}}^1$

素因数の和:691

約数の個数: 24

約数和(自身を含む): 35380800

約数和(自身を除く): 15619228

約数列:

[1, 2, 4, 71, 142, 149, 284, 298, 467, 596, 934, 1868, 10579, 21158, 33157, 42316, 66314, 69583, 132628, 139166, 278332, 4940393, 9880786, 19761572]

約数ペア:

[(1, 19761572), (2, 9880786), (4, 4940393), (71, 278332), (142, 139166), (149, 132628), (284, 69583), (298, 66314), (467, 42316), (596, 33157), (934, 21158), (1868, 10579)]