19039779

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 33022080

約数和(自身を除く): 13982301

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 81, 99, 153, 187, 243, 297, 419, 459, 561, 891, 1257, 1377, 1683, 2673, 3771, 4131, 4609, 5049, 7123, 11313, 13827, 15147, 21369, 33939, 41481, 45441, 64107, 78353, 101817, 124443, 192321, 235059, 373329, 576963, 705177, 1119987, 1730889, 2115531, 6346593, 19039779]

約数ペア:

[(1, 19039779), (3, 6346593), (9, 2115531), (11, 1730889), (17, 1119987), (27, 705177), (33, 576963), (51, 373329), (81, 235059), (99, 192321), (153, 124443), (187, 101817), (243, 78353), (297, 64107), (419, 45441), (459, 41481), (561, 33939), (891, 21369), (1257, 15147), (1377, 13827), (1683, 11313), (2673, 7123), (3771, 5049), (4131, 4609)]