19658210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{233}}^1$

素因数の和:323

約数の個数: 64

約数和(自身を含む): 42456960

約数和(自身を除く): 22798750

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 59, 65, 110, 118, 130, 143, 233, 286, 295, 466, 590, 649, 715, 767, 1165, 1298, 1430, 1534, 2330, 2563, 3029, 3245, 3835, 5126, 6058, 6490, 7670, 8437, 12815, 13747, 15145, 16874, 25630, 27494, 30290, 33319, 42185, 66638, 68735, 84370, 137470, 151217, 166595, 178711, 302434, 333190, 357422, 756085, 893555, 1512170, 1787110, 1965821, 3931642, 9829105, 19658210]

約数ペア:

[(1, 19658210), (2, 9829105), (5, 3931642), (10, 1965821), (11, 1787110), (13, 1512170), (22, 893555), (26, 756085), (55, 357422), (59, 333190), (65, 302434), (110, 178711), (118, 166595), (130, 151217), (143, 137470), (233, 84370), (286, 68735), (295, 66638), (466, 42185), (590, 33319), (649, 30290), (715, 27494), (767, 25630), (1165, 16874), (1298, 15145), (1430, 13747), (1534, 12815), (2330, 8437), (2563, 7670), (3029, 6490), (3245, 6058), (3835, 5126)]