19653309

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 33297264

約数和(自身を除く): 13643955

約数列:

[1, 3, 9, 13, 17, 39, 41, 51, 117, 123, 153, 221, 241, 369, 533, 663, 697, 723, 1599, 1989, 2091, 2169, 3133, 4097, 4797, 6273, 9061, 9399, 9881, 12291, 27183, 28197, 29643, 36873, 53261, 81549, 88929, 128453, 159783, 167977, 385359, 479349, 503931, 1156077, 1511793, 2183701, 6551103, 19653309]

約数ペア:

[(1, 19653309), (3, 6551103), (9, 2183701), (13, 1511793), (17, 1156077), (39, 503931), (41, 479349), (51, 385359), (117, 167977), (123, 159783), (153, 128453), (221, 88929), (241, 81549), (369, 53261), (533, 36873), (663, 29643), (697, 28197), (723, 27183), (1599, 12291), (1989, 9881), (2091, 9399), (2169, 9061), (3133, 6273), (4097, 4797)]