19091978

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:310

約数の個数: 32

約数和(自身を含む): 31352832

約数和(自身を除く): 12260854

約数列:

[1, 2, 23, 41, 46, 53, 82, 106, 191, 382, 943, 1219, 1886, 2173, 2438, 4346, 4393, 7831, 8786, 10123, 15662, 20246, 49979, 99958, 180113, 232829, 360226, 415043, 465658, 830086, 9545989, 19091978]

約数ペア:

[(1, 19091978), (2, 9545989), (23, 830086), (41, 465658), (46, 415043), (53, 360226), (82, 232829), (106, 180113), (191, 99958), (382, 49979), (943, 20246), (1219, 15662), (1886, 10123), (2173, 8786), (2438, 7831), (4346, 4393)]