19306736

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1549}}^1$

素因数の和:1617

約数の個数: 40

約数和(自身を含む): 40362000

約数和(自身を除く): 21055264

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 76, 82, 152, 164, 304, 328, 656, 779, 1549, 1558, 3098, 3116, 6196, 6232, 12392, 12464, 24784, 29431, 58862, 63509, 117724, 127018, 235448, 254036, 470896, 508072, 1016144, 1206671, 2413342, 4826684, 9653368, 19306736]

約数ペア:

[(1, 19306736), (2, 9653368), (4, 4826684), (8, 2413342), (16, 1206671), (19, 1016144), (38, 508072), (41, 470896), (76, 254036), (82, 235448), (152, 127018), (164, 117724), (304, 63509), (328, 58862), (656, 29431), (779, 24784), (1549, 12464), (1558, 12392), (3098, 6232), (3116, 6196)]