19396920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{161641}}^1$

素因数の和:161655

約数の個数: 32

約数和(自身を含む): 58191120

約数和(自身を除く): 38794200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 161641, 323282, 484923, 646564, 808205, 969846, 1293128, 1616410, 1939692, 2424615, 3232820, 3879384, 4849230, 6465640, 9698460, 19396920]

約数ペア:

[(1, 19396920), (2, 9698460), (3, 6465640), (4, 4849230), (5, 3879384), (6, 3232820), (8, 2424615), (10, 1939692), (12, 1616410), (15, 1293128), (20, 969846), (24, 808205), (30, 646564), (40, 484923), (60, 323282), (120, 161641)]