19164215

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 27648000

約数和(自身を除く): 8483785

約数列:

[1, 5, 7, 29, 35, 79, 145, 203, 239, 395, 553, 1015, 1195, 1673, 2291, 2765, 6931, 8365, 11455, 16037, 18881, 34655, 48517, 80185, 94405, 132167, 242585, 547549, 660835, 2737745, 3832843, 19164215]

約数ペア:

[(1, 19164215), (5, 3832843), (7, 2737745), (29, 660835), (35, 547549), (79, 242585), (145, 132167), (203, 94405), (239, 80185), (395, 48517), (553, 34655), (1015, 18881), (1195, 16037), (1673, 11455), (2291, 8365), (2765, 6931)]