19749170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1$

素因数の和:543

約数の個数: 64

約数和(自身を含む): 44236800

約数和(自身を除く): 24487630

約数列:

[1, 2, 5, 7, 10, 14, 19, 31, 35, 38, 62, 70, 95, 133, 155, 190, 217, 266, 310, 434, 479, 589, 665, 958, 1085, 1178, 1330, 2170, 2395, 2945, 3353, 4123, 4790, 5890, 6706, 8246, 9101, 14849, 16765, 18202, 20615, 29698, 33530, 41230, 45505, 63707, 74245, 91010, 103943, 127414, 148490, 207886, 282131, 318535, 519715, 564262, 637070, 1039430, 1410655, 1974917, 2821310, 3949834, 9874585, 19749170]

約数ペア:

[(1, 19749170), (2, 9874585), (5, 3949834), (7, 2821310), (10, 1974917), (14, 1410655), (19, 1039430), (31, 637070), (35, 564262), (38, 519715), (62, 318535), (70, 282131), (95, 207886), (133, 148490), (155, 127414), (190, 103943), (217, 91010), (266, 74245), (310, 63707), (434, 45505), (479, 41230), (589, 33530), (665, 29698), (958, 20615), (1085, 18202), (1178, 16765), (1330, 14849), (2170, 9101), (2395, 8246), (2945, 6706), (3353, 5890), (4123, 4790)]