19249984

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1361}}^1$

素因数の和:1403

約数の個数: 56

約数和(自身を含む): 43589448

約数和(自身を除く): 24339464

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 136, 208, 221, 272, 416, 442, 544, 832, 884, 1088, 1361, 1768, 2722, 3536, 5444, 7072, 10888, 14144, 17693, 21776, 23137, 35386, 43552, 46274, 70772, 87104, 92548, 141544, 185096, 283088, 300781, 370192, 566176, 601562, 740384, 1132352, 1203124, 1480768, 2406248, 4812496, 9624992, 19249984]

約数ペア:

[(1, 19249984), (2, 9624992), (4, 4812496), (8, 2406248), (13, 1480768), (16, 1203124), (17, 1132352), (26, 740384), (32, 601562), (34, 566176), (52, 370192), (64, 300781), (68, 283088), (104, 185096), (136, 141544), (208, 92548), (221, 87104), (272, 70772), (416, 46274), (442, 43552), (544, 35386), (832, 23137), (884, 21776), (1088, 17693), (1361, 14144), (1768, 10888), (2722, 7072), (3536, 5444)]