18890196

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{419}}^1$

素因数の和:473

約数の個数: 72

約数和(自身を含む): 50544480

約数和(自身を除く): 31654284

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 102, 156, 204, 221, 289, 419, 442, 578, 663, 838, 867, 884, 1156, 1257, 1326, 1676, 1734, 2514, 2652, 3468, 3757, 5028, 5447, 7123, 7514, 10894, 11271, 14246, 15028, 16341, 21369, 21788, 22542, 28492, 32682, 42738, 45084, 65364, 85476, 92599, 121091, 185198, 242182, 277797, 363273, 370396, 484364, 555594, 726546, 1111188, 1453092, 1574183, 3148366, 4722549, 6296732, 9445098, 18890196]

約数ペア:

[(1, 18890196), (2, 9445098), (3, 6296732), (4, 4722549), (6, 3148366), (12, 1574183), (13, 1453092), (17, 1111188), (26, 726546), (34, 555594), (39, 484364), (51, 370396), (52, 363273), (68, 277797), (78, 242182), (102, 185198), (156, 121091), (204, 92599), (221, 85476), (289, 65364), (419, 45084), (442, 42738), (578, 32682), (663, 28492), (838, 22542), (867, 21788), (884, 21369), (1156, 16341), (1257, 15028), (1326, 14246), (1676, 11271), (1734, 10894), (2514, 7514), (2652, 7123), (3468, 5447), (3757, 5028)]