18606830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:185

約数の個数: 64

約数和(自身を含む): 38568960

約数和(自身を除く): 19962130

約数列:

[1, 2, 5, 10, 11, 22, 47, 55, 59, 61, 94, 110, 118, 122, 235, 295, 305, 470, 517, 590, 610, 649, 671, 1034, 1298, 1342, 2585, 2773, 2867, 3245, 3355, 3599, 5170, 5546, 5734, 6490, 6710, 7198, 13865, 14335, 17995, 27730, 28670, 30503, 31537, 35990, 39589, 61006, 63074, 79178, 152515, 157685, 169153, 197945, 305030, 315370, 338306, 395890, 845765, 1691530, 1860683, 3721366, 9303415, 18606830]

約数ペア:

[(1, 18606830), (2, 9303415), (5, 3721366), (10, 1860683), (11, 1691530), (22, 845765), (47, 395890), (55, 338306), (59, 315370), (61, 305030), (94, 197945), (110, 169153), (118, 157685), (122, 152515), (235, 79178), (295, 63074), (305, 61006), (470, 39589), (517, 35990), (590, 31537), (610, 30503), (649, 28670), (671, 27730), (1034, 17995), (1298, 14335), (1342, 13865), (2585, 7198), (2773, 6710), (2867, 6490), (3245, 5734), (3355, 5546), (3599, 5170)]