18702145

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1567}}^1$

素因数の和:1621

約数の個数: 32

約数和(自身を含む): 28901376

約数和(自身を除く): 10199231

約数列:

[1, 5, 7, 11, 31, 35, 55, 77, 155, 217, 341, 385, 1085, 1567, 1705, 2387, 7835, 10969, 11935, 17237, 48577, 54845, 86185, 120659, 242885, 340039, 534347, 603295, 1700195, 2671735, 3740429, 18702145]

約数ペア:

[(1, 18702145), (5, 3740429), (7, 2671735), (11, 1700195), (31, 603295), (35, 534347), (55, 340039), (77, 242885), (155, 120659), (217, 86185), (341, 54845), (385, 48577), (1085, 17237), (1567, 11935), (1705, 10969), (2387, 7835)]