19783845

素因数分解:

$3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{857}}^1$

素因数の和:896

約数の個数: 48

約数和(自身を含む): 37477440

約数和(自身を除く): 17693595

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 243, 285, 405, 513, 855, 857, 1215, 1539, 2565, 2571, 4285, 4617, 7695, 7713, 12855, 16283, 23085, 23139, 38565, 48849, 69417, 81415, 115695, 146547, 208251, 244245, 347085, 439641, 732735, 1041255, 1318923, 2198205, 3956769, 6594615, 19783845]

約数ペア:

[(1, 19783845), (3, 6594615), (5, 3956769), (9, 2198205), (15, 1318923), (19, 1041255), (27, 732735), (45, 439641), (57, 347085), (81, 244245), (95, 208251), (135, 146547), (171, 115695), (243, 81415), (285, 69417), (405, 48849), (513, 38565), (855, 23139), (857, 23085), (1215, 16283), (1539, 12855), (2565, 7713), (2571, 7695), (4285, 4617)]