19747338

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{619}}^1$

素因数の和:1046

約数の個数: 32

約数和(自身を含む): 42705600

約数和(自身を除く): 22958262

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 409, 619, 818, 1227, 1238, 1857, 2454, 3714, 5317, 8047, 10634, 15951, 16094, 24141, 31902, 48282, 253171, 506342, 759513, 1519026, 3291223, 6582446, 9873669, 19747338]

約数ペア:

[(1, 19747338), (2, 9873669), (3, 6582446), (6, 3291223), (13, 1519026), (26, 759513), (39, 506342), (78, 253171), (409, 48282), (619, 31902), (818, 24141), (1227, 16094), (1238, 15951), (1857, 10634), (2454, 8047), (3714, 5317)]