19699220

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{11867}}^1$

素因数の和:11959

約数の個数: 24

約数和(自身を含む): 41870304

約数和(自身を除く): 22171084

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 11867, 23734, 47468, 59335, 118670, 237340, 984961, 1969922, 3939844, 4924805, 9849610, 19699220]

約数ペア:

[(1, 19699220), (2, 9849610), (4, 4924805), (5, 3939844), (10, 1969922), (20, 984961), (83, 237340), (166, 118670), (332, 59335), (415, 47468), (830, 23734), (1660, 11867)]