19228825

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1427}}^1$

素因数の和:1462

約数の個数: 36

約数和(自身を含む): 30279312

約数和(自身を除く): 11050487

約数列:

[1, 5, 7, 11, 25, 35, 49, 55, 77, 175, 245, 275, 385, 539, 1225, 1427, 1925, 2695, 7135, 9989, 13475, 15697, 35675, 49945, 69923, 78485, 109879, 249725, 349615, 392425, 549395, 769153, 1748075, 2746975, 3845765, 19228825]

約数ペア:

[(1, 19228825), (5, 3845765), (7, 2746975), (11, 1748075), (25, 769153), (35, 549395), (49, 392425), (55, 349615), (77, 249725), (175, 109879), (245, 78485), (275, 69923), (385, 49945), (539, 35675), (1225, 15697), (1427, 13475), (1925, 9989), (2695, 7135)]