19228912

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1471}}^1$

素因数の和:1541

約数の個数: 40

約数和(自身を含む): 40156160

約数和(自身を除く): 20927248

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 86, 152, 172, 304, 344, 688, 817, 1471, 1634, 2942, 3268, 5884, 6536, 11768, 13072, 23536, 27949, 55898, 63253, 111796, 126506, 223592, 253012, 447184, 506024, 1012048, 1201807, 2403614, 4807228, 9614456, 19228912]

約数ペア:

[(1, 19228912), (2, 9614456), (4, 4807228), (8, 2403614), (16, 1201807), (19, 1012048), (38, 506024), (43, 447184), (76, 253012), (86, 223592), (152, 126506), (172, 111796), (304, 63253), (344, 55898), (688, 27949), (817, 23536), (1471, 13072), (1634, 11768), (2942, 6536), (3268, 5884)]