19586216

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{4007}}^1$

素因数の和:4073

約数の個数: 32

約数和(自身を含む): 40400640

約数和(自身を除く): 20814424

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 188, 376, 611, 1222, 2444, 4007, 4888, 8014, 16028, 32056, 52091, 104182, 188329, 208364, 376658, 416728, 753316, 1506632, 2448277, 4896554, 9793108, 19586216]

約数ペア:

[(1, 19586216), (2, 9793108), (4, 4896554), (8, 2448277), (13, 1506632), (26, 753316), (47, 416728), (52, 376658), (94, 208364), (104, 188329), (188, 104182), (376, 52091), (611, 32056), (1222, 16028), (2444, 8014), (4007, 4888)]