19891898

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{601}}^1$

素因数の和:702

約数の個数: 32

約数和(自身を含む): 34386240

約数和(自身を除く): 14494342

約数列:

[1, 2, 13, 19, 26, 38, 67, 134, 247, 494, 601, 871, 1202, 1273, 1742, 2546, 7813, 11419, 15626, 16549, 22838, 33098, 40267, 80534, 148447, 296894, 523471, 765073, 1046942, 1530146, 9945949, 19891898]

約数ペア:

[(1, 19891898), (2, 9945949), (13, 1530146), (19, 1046942), (26, 765073), (38, 523471), (67, 296894), (134, 148447), (247, 80534), (494, 40267), (601, 33098), (871, 22838), (1202, 16549), (1273, 15626), (1742, 11419), (2546, 7813)]