19899282

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1$

素因数の和:427

約数の個数: 64

約数和(自身を含む): 46569600

約数和(自身を除く): 26670318

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 43, 51, 78, 86, 102, 129, 221, 258, 349, 442, 559, 663, 698, 731, 1047, 1118, 1326, 1462, 1677, 2094, 2193, 3354, 4386, 4537, 5933, 9074, 9503, 11866, 13611, 15007, 17799, 19006, 27222, 28509, 30014, 35598, 45021, 57018, 77129, 90042, 154258, 195091, 231387, 255119, 390182, 462774, 510238, 585273, 765357, 1170546, 1530714, 3316547, 6633094, 9949641, 19899282]

約数ペア:

[(1, 19899282), (2, 9949641), (3, 6633094), (6, 3316547), (13, 1530714), (17, 1170546), (26, 765357), (34, 585273), (39, 510238), (43, 462774), (51, 390182), (78, 255119), (86, 231387), (102, 195091), (129, 154258), (221, 90042), (258, 77129), (349, 57018), (442, 45021), (559, 35598), (663, 30014), (698, 28509), (731, 27222), (1047, 19006), (1118, 17799), (1326, 15007), (1462, 13611), (1677, 11866), (2094, 9503), (2193, 9074), (3354, 5933), (4386, 4537)]