18995940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{105533}}^1$

素因数の和:105548

約数の個数: 36

約数和(自身を含む): 57621564

約数和(自身を除く): 38625624

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 105533, 211066, 316599, 422132, 527665, 633198, 949797, 1055330, 1266396, 1582995, 1899594, 2110660, 3165990, 3799188, 4748985, 6331980, 9497970, 18995940]

約数ペア:

[(1, 18995940), (2, 9497970), (3, 6331980), (4, 4748985), (5, 3799188), (6, 3165990), (9, 2110660), (10, 1899594), (12, 1582995), (15, 1266396), (18, 1055330), (20, 949797), (30, 633198), (36, 527665), (45, 422132), (60, 316599), (90, 211066), (180, 105533)]