18629765

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 28957824

約数和(自身を除く): 10328059

約数列:

[1, 5, 7, 11, 35, 53, 55, 77, 83, 121, 265, 371, 385, 415, 581, 583, 605, 847, 913, 1855, 2905, 2915, 4081, 4235, 4399, 4565, 6391, 6413, 10043, 20405, 21995, 30793, 31955, 32065, 44891, 48389, 50215, 70301, 153965, 224455, 241945, 338723, 351505, 532279, 1693615, 2661395, 3725953, 18629765]

約数ペア:

[(1, 18629765), (5, 3725953), (7, 2661395), (11, 1693615), (35, 532279), (53, 351505), (55, 338723), (77, 241945), (83, 224455), (121, 153965), (265, 70301), (371, 50215), (385, 48389), (415, 44891), (581, 32065), (583, 31955), (605, 30793), (847, 21995), (913, 20405), (1855, 10043), (2905, 6413), (2915, 6391), (4081, 4565), (4235, 4399)]