187788194

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{21943}}^1$

素因数の和:22345

約数の個数: 16

約数和(自身を含む): 308093760

約数和(自身を除く): 120305566

約数列:

[1, 2, 11, 22, 389, 778, 4279, 8558, 21943, 43886, 241373, 482746, 8535827, 17071654, 93894097, 187788194]

約数ペア:

[(1, 187788194), (2, 93894097), (11, 17071654), (22, 8535827), (389, 482746), (778, 241373), (4279, 43886), (8558, 21943)]