19780384

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2797}}^1$

素因数の和:2837

約数の個数: 48

約数和(自身を含む): 44421048

約数和(自身を除く): 24640664

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 208, 221, 272, 416, 442, 544, 884, 1768, 2797, 3536, 5594, 7072, 11188, 22376, 36361, 44752, 47549, 72722, 89504, 95098, 145444, 190196, 290888, 380392, 581776, 618137, 760784, 1163552, 1236274, 1521568, 2472548, 4945096, 9890192, 19780384]

約数ペア:

[(1, 19780384), (2, 9890192), (4, 4945096), (8, 2472548), (13, 1521568), (16, 1236274), (17, 1163552), (26, 760784), (32, 618137), (34, 581776), (52, 380392), (68, 290888), (104, 190196), (136, 145444), (208, 95098), (221, 89504), (272, 72722), (416, 47549), (442, 44752), (544, 36361), (884, 22376), (1768, 11188), (2797, 7072), (3536, 5594)]