18384496

素因数分解:

$2^4\times {\mathrm{13}}^3\times {\mathrm{523}}^1$

素因数の和:570

約数の個数: 40

約数和(自身を含む): 38660720

約数和(自身を除く): 20276224

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 523, 676, 1046, 1352, 2092, 2197, 2704, 4184, 4394, 6799, 8368, 8788, 13598, 17576, 27196, 35152, 54392, 88387, 108784, 176774, 353548, 707096, 1149031, 1414192, 2298062, 4596124, 9192248, 18384496]

約数ペア:

[(1, 18384496), (2, 9192248), (4, 4596124), (8, 2298062), (13, 1414192), (16, 1149031), (26, 707096), (52, 353548), (104, 176774), (169, 108784), (208, 88387), (338, 54392), (523, 35152), (676, 27196), (1046, 17576), (1352, 13598), (2092, 8788), (2197, 8368), (2704, 6799), (4184, 4394)]