19937502

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{9467}}^1$

素因数の和:9494

約数の個数: 40

約数和(自身を含む): 48116376

約数和(自身を除く): 28178874

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 351, 702, 1053, 2106, 9467, 18934, 28401, 56802, 85203, 123071, 170406, 246142, 255609, 369213, 511218, 738426, 766827, 1107639, 1533654, 2215278, 3322917, 6645834, 9968751, 19937502]

約数ペア:

[(1, 19937502), (2, 9968751), (3, 6645834), (6, 3322917), (9, 2215278), (13, 1533654), (18, 1107639), (26, 766827), (27, 738426), (39, 511218), (54, 369213), (78, 255609), (81, 246142), (117, 170406), (162, 123071), (234, 85203), (351, 56802), (702, 28401), (1053, 18934), (2106, 9467)]