19131540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{761}}^1$

素因数の和:1192

約数の個数: 48

約数和(自身を含む): 53766720

約数和(自身を除く): 34635180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 419, 761, 838, 1257, 1522, 1676, 2095, 2283, 2514, 3044, 3805, 4190, 4566, 5028, 6285, 7610, 8380, 9132, 11415, 12570, 15220, 22830, 25140, 45660, 318859, 637718, 956577, 1275436, 1594295, 1913154, 3188590, 3826308, 4782885, 6377180, 9565770, 19131540]

約数ペア:

[(1, 19131540), (2, 9565770), (3, 6377180), (4, 4782885), (5, 3826308), (6, 3188590), (10, 1913154), (12, 1594295), (15, 1275436), (20, 956577), (30, 637718), (60, 318859), (419, 45660), (761, 25140), (838, 22830), (1257, 15220), (1522, 12570), (1676, 11415), (2095, 9132), (2283, 8380), (2514, 7610), (3044, 6285), (3805, 5028), (4190, 4566)]