19777878

素因数分解:

$2^1\times 3^3\times {\mathrm{541}}^1\times {\mathrm{677}}^1$

素因数の和:1229

約数の個数: 32

約数和(自身を含む): 44097120

約数和(自身を除く): 24319242

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 541, 677, 1082, 1354, 1623, 2031, 3246, 4062, 4869, 6093, 9738, 12186, 14607, 18279, 29214, 36558, 366257, 732514, 1098771, 2197542, 3296313, 6592626, 9888939, 19777878]

約数ペア:

[(1, 19777878), (2, 9888939), (3, 6592626), (6, 3296313), (9, 2197542), (18, 1098771), (27, 732514), (54, 366257), (541, 36558), (677, 29214), (1082, 18279), (1354, 14607), (1623, 12186), (2031, 9738), (3246, 6093), (4062, 4869)]