19862970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:152

約数の個数: 96

約数和(自身を含む): 53049600

約数和(自身を除く): 33186630

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 29, 30, 34, 51, 58, 79, 85, 87, 102, 145, 158, 170, 174, 237, 255, 289, 290, 395, 435, 474, 493, 510, 578, 790, 867, 870, 986, 1185, 1343, 1445, 1479, 1734, 2291, 2370, 2465, 2686, 2890, 2958, 4029, 4335, 4582, 4930, 6715, 6873, 7395, 8058, 8381, 8670, 11455, 13430, 13746, 14790, 16762, 20145, 22831, 22910, 25143, 34365, 38947, 40290, 41905, 45662, 50286, 68493, 68730, 77894, 83810, 114155, 116841, 125715, 136986, 194735, 228310, 233682, 251430, 342465, 389470, 584205, 662099, 684930, 1168410, 1324198, 1986297, 3310495, 3972594, 6620990, 9931485, 19862970]

約数ペア:

[(1, 19862970), (2, 9931485), (3, 6620990), (5, 3972594), (6, 3310495), (10, 1986297), (15, 1324198), (17, 1168410), (29, 684930), (30, 662099), (34, 584205), (51, 389470), (58, 342465), (79, 251430), (85, 233682), (87, 228310), (102, 194735), (145, 136986), (158, 125715), (170, 116841), (174, 114155), (237, 83810), (255, 77894), (289, 68730), (290, 68493), (395, 50286), (435, 45662), (474, 41905), (493, 40290), (510, 38947), (578, 34365), (790, 25143), (867, 22910), (870, 22831), (986, 20145), (1185, 16762), (1343, 14790), (1445, 13746), (1479, 13430), (1734, 11455), (2291, 8670), (2370, 8381), (2465, 8058), (2686, 7395), (2890, 6873), (2958, 6715), (4029, 4930), (4335, 4582)]