19849206

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{641}}^1$

素因数の和:1056

約数の個数: 32

約数和(自身を含む): 42926688

約数和(自身を除く): 23077482

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 397, 641, 794, 1191, 1282, 1923, 2382, 3846, 5161, 8333, 10322, 15483, 16666, 24999, 30966, 49998, 254477, 508954, 763431, 1526862, 3308201, 6616402, 9924603, 19849206]

約数ペア:

[(1, 19849206), (2, 9924603), (3, 6616402), (6, 3308201), (13, 1526862), (26, 763431), (39, 508954), (78, 254477), (397, 49998), (641, 30966), (794, 24999), (1191, 16666), (1282, 15483), (1923, 10322), (2382, 8333), (3846, 5161)]