19742890

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{373}}^1$

素因数の和:526

約数の個数: 32

約数和(自身を含む): 36622080

約数和(自身を除く): 16879190

約数列:

[1, 2, 5, 10, 67, 79, 134, 158, 335, 373, 395, 670, 746, 790, 1865, 3730, 5293, 10586, 24991, 26465, 29467, 49982, 52930, 58934, 124955, 147335, 249910, 294670, 1974289, 3948578, 9871445, 19742890]

約数ペア:

[(1, 19742890), (2, 9871445), (5, 3948578), (10, 1974289), (67, 294670), (79, 249910), (134, 147335), (158, 124955), (335, 58934), (373, 52930), (395, 49982), (670, 29467), (746, 26465), (790, 24991), (1865, 10586), (3730, 5293)]