19650028

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 39070080

約数和(自身を除く): 19420052

約数列:

[1, 2, 4, 17, 19, 34, 38, 67, 68, 76, 134, 227, 268, 323, 454, 646, 908, 1139, 1273, 1292, 2278, 2546, 3859, 4313, 4556, 5092, 7718, 8626, 15209, 15436, 17252, 21641, 30418, 43282, 60836, 73321, 86564, 146642, 258553, 288971, 293284, 517106, 577942, 1034212, 1155884, 4912507, 9825014, 19650028]

約数ペア:

[(1, 19650028), (2, 9825014), (4, 4912507), (17, 1155884), (19, 1034212), (34, 577942), (38, 517106), (67, 293284), (68, 288971), (76, 258553), (134, 146642), (227, 86564), (268, 73321), (323, 60836), (454, 43282), (646, 30418), (908, 21641), (1139, 17252), (1273, 15436), (1292, 15209), (2278, 8626), (2546, 7718), (3859, 5092), (4313, 4556)]