19439145

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{227}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 37132992

約数和(自身を除く): 17693847

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 173, 227, 495, 519, 681, 865, 1135, 1557, 1903, 2043, 2497, 2595, 3405, 5709, 7491, 7785, 9515, 10215, 12485, 17127, 22473, 28545, 37455, 39271, 85635, 112365, 117813, 196355, 353439, 431981, 589065, 1295943, 1767195, 2159905, 3887829, 6479715, 19439145]

約数ペア:

[(1, 19439145), (3, 6479715), (5, 3887829), (9, 2159905), (11, 1767195), (15, 1295943), (33, 589065), (45, 431981), (55, 353439), (99, 196355), (165, 117813), (173, 112365), (227, 85635), (495, 39271), (519, 37455), (681, 28545), (865, 22473), (1135, 17127), (1557, 12485), (1903, 10215), (2043, 9515), (2497, 7785), (2595, 7491), (3405, 5709)]