38881888

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{19919}}^1$

素因数の和:19990

約数の個数: 24

約数和(自身を含む): 77807520

約数和(自身を除く): 38925632

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 244, 488, 976, 1952, 19919, 39838, 79676, 159352, 318704, 637408, 1215059, 2430118, 4860236, 9720472, 19440944, 38881888]

約数ペア:

[(1, 38881888), (2, 19440944), (4, 9720472), (8, 4860236), (16, 2430118), (32, 1215059), (61, 637408), (122, 318704), (244, 159352), (488, 79676), (976, 39838), (1952, 19919)]