19694488

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{11779}}^1$

素因数の和:11815

約数の個数: 32

約数和(自身を含む): 42408000

約数和(自身を除く): 22713512

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 11779, 23558, 47116, 94232, 129569, 223801, 259138, 447602, 518276, 895204, 1036552, 1790408, 2461811, 4923622, 9847244, 19694488]

約数ペア:

[(1, 19694488), (2, 9847244), (4, 4923622), (8, 2461811), (11, 1790408), (19, 1036552), (22, 895204), (38, 518276), (44, 447602), (76, 259138), (88, 223801), (152, 129569), (209, 94232), (418, 47116), (836, 23558), (1672, 11779)]