20180914370

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{13873}}^1$

素因数の和:14139

約数の個数: 64

約数和(自身を含む): 39557548800

約数和(自身を除く): 19376634430

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 170, 199, 215, 398, 430, 731, 995, 1462, 1990, 3383, 3655, 6766, 7310, 8557, 13873, 16915, 17114, 27746, 33830, 42785, 69365, 85570, 138730, 145469, 235841, 290938, 471682, 596539, 727345, 1179205, 1193078, 1454690, 2358410, 2760727, 2982695, 5521454, 5965390, 10141163, 13803635, 20282326, 27607270, 46932359, 50705815, 93864718, 101411630, 118711261, 234661795, 237422522, 469323590, 593556305, 1187112610, 2018091437, 4036182874, 10090457185, 20180914370]

約数ペア:

[(1, 20180914370), (2, 10090457185), (5, 4036182874), (10, 2018091437), (17, 1187112610), (34, 593556305), (43, 469323590), (85, 237422522), (86, 234661795), (170, 118711261), (199, 101411630), (215, 93864718), (398, 50705815), (430, 46932359), (731, 27607270), (995, 20282326), (1462, 13803635), (1990, 10141163), (3383, 5965390), (3655, 5521454), (6766, 2982695), (7310, 2760727), (8557, 2358410), (13873, 1454690), (16915, 1193078), (17114, 1179205), (27746, 727345), (33830, 596539), (42785, 471682), (69365, 290938), (85570, 235841), (138730, 145469)]