19890450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{44201}}^1$

素因数の和:44219

約数の個数: 36

約数和(自身を含む): 53440218

約数和(自身を除く): 33549768

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 225, 450, 44201, 88402, 132603, 221005, 265206, 397809, 442010, 663015, 795618, 1105025, 1326030, 1989045, 2210050, 3315075, 3978090, 6630150, 9945225, 19890450]

約数ペア:

[(1, 19890450), (2, 9945225), (3, 6630150), (5, 3978090), (6, 3315075), (9, 2210050), (10, 1989045), (15, 1326030), (18, 1105025), (25, 795618), (30, 663015), (45, 442010), (50, 397809), (75, 265206), (90, 221005), (150, 132603), (225, 88402), (450, 44201)]