18389988

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{199}}^1$

素因数の和:377

約数の個数: 72

約数和(自身を含む): 49795200

約数和(自身を除く): 31405212

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 151, 153, 199, 204, 302, 306, 398, 453, 597, 604, 612, 796, 906, 1194, 1359, 1791, 1812, 2388, 2567, 2718, 3383, 3582, 5134, 5436, 6766, 7164, 7701, 10149, 10268, 13532, 15402, 20298, 23103, 30049, 30447, 30804, 40596, 46206, 60098, 60894, 90147, 92412, 120196, 121788, 180294, 270441, 360588, 510833, 540882, 1021666, 1081764, 1532499, 2043332, 3064998, 4597497, 6129996, 9194994, 18389988]

約数ペア:

[(1, 18389988), (2, 9194994), (3, 6129996), (4, 4597497), (6, 3064998), (9, 2043332), (12, 1532499), (17, 1081764), (18, 1021666), (34, 540882), (36, 510833), (51, 360588), (68, 270441), (102, 180294), (151, 121788), (153, 120196), (199, 92412), (204, 90147), (302, 60894), (306, 60098), (398, 46206), (453, 40596), (597, 30804), (604, 30447), (612, 30049), (796, 23103), (906, 20298), (1194, 15402), (1359, 13532), (1791, 10268), (1812, 10149), (2388, 7701), (2567, 7164), (2718, 6766), (3383, 5436), (3582, 5134)]