19540430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:333

約数の個数: 64

約数和(自身を含む): 43908480

約数和(自身を除く): 24368050

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 109, 130, 182, 197, 218, 394, 455, 545, 763, 910, 985, 1090, 1379, 1417, 1526, 1970, 2561, 2758, 2834, 3815, 5122, 6895, 7085, 7630, 9919, 12805, 13790, 14170, 17927, 19838, 21473, 25610, 35854, 42946, 49595, 89635, 99190, 107365, 150311, 179270, 214730, 279149, 300622, 558298, 751555, 1395745, 1503110, 1954043, 2791490, 3908086, 9770215, 19540430]

約数ペア:

[(1, 19540430), (2, 9770215), (5, 3908086), (7, 2791490), (10, 1954043), (13, 1503110), (14, 1395745), (26, 751555), (35, 558298), (65, 300622), (70, 279149), (91, 214730), (109, 179270), (130, 150311), (182, 107365), (197, 99190), (218, 89635), (394, 49595), (455, 42946), (545, 35854), (763, 25610), (910, 21473), (985, 19838), (1090, 17927), (1379, 14170), (1417, 13790), (1526, 12805), (1970, 9919), (2561, 7630), (2758, 7085), (2834, 6895), (3815, 5122)]