19786060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:191

約数の個数: 96

約数和(自身を含む): 50577408

約数和(自身を除く): 30791348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 47, 62, 70, 94, 97, 124, 140, 155, 188, 194, 217, 235, 310, 329, 388, 434, 470, 485, 620, 658, 679, 868, 940, 970, 1085, 1316, 1358, 1457, 1645, 1940, 2170, 2716, 2914, 3007, 3290, 3395, 4340, 4559, 5828, 6014, 6580, 6790, 7285, 9118, 10199, 12028, 13580, 14570, 15035, 18236, 20398, 21049, 22795, 29140, 30070, 31913, 40796, 42098, 45590, 50995, 60140, 63826, 84196, 91180, 101990, 105245, 127652, 141329, 159565, 203980, 210490, 282658, 319130, 420980, 565316, 638260, 706645, 989303, 1413290, 1978606, 2826580, 3957212, 4946515, 9893030, 19786060]

約数ペア:

[(1, 19786060), (2, 9893030), (4, 4946515), (5, 3957212), (7, 2826580), (10, 1978606), (14, 1413290), (20, 989303), (28, 706645), (31, 638260), (35, 565316), (47, 420980), (62, 319130), (70, 282658), (94, 210490), (97, 203980), (124, 159565), (140, 141329), (155, 127652), (188, 105245), (194, 101990), (217, 91180), (235, 84196), (310, 63826), (329, 60140), (388, 50995), (434, 45590), (470, 42098), (485, 40796), (620, 31913), (658, 30070), (679, 29140), (868, 22795), (940, 21049), (970, 20398), (1085, 18236), (1316, 15035), (1358, 14570), (1457, 13580), (1645, 12028), (1940, 10199), (2170, 9118), (2716, 7285), (2914, 6790), (3007, 6580), (3290, 6014), (3395, 5828), (4340, 4559)]