19483888

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{19963}}^1$

素因数の和:20032

約数の個数: 20

約数和(自身を含む): 38370808

約数和(自身を除く): 18886920

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 19963, 39926, 79852, 159704, 319408, 1217743, 2435486, 4870972, 9741944, 19483888]

約数ペア:

[(1, 19483888), (2, 9741944), (4, 4870972), (8, 2435486), (16, 1217743), (61, 319408), (122, 159704), (244, 79852), (488, 39926), (976, 19963)]