18376456

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 42336000

約数和(自身を除く): 23959544

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 97, 119, 136, 194, 199, 238, 388, 398, 476, 679, 776, 796, 952, 1358, 1393, 1592, 1649, 2716, 2786, 3298, 3383, 5432, 5572, 6596, 6766, 11144, 11543, 13192, 13532, 19303, 23086, 23681, 27064, 38606, 46172, 47362, 77212, 92344, 94724, 135121, 154424, 189448, 270242, 328151, 540484, 656302, 1080968, 1312604, 2297057, 2625208, 4594114, 9188228, 18376456]

約数ペア:

[(1, 18376456), (2, 9188228), (4, 4594114), (7, 2625208), (8, 2297057), (14, 1312604), (17, 1080968), (28, 656302), (34, 540484), (56, 328151), (68, 270242), (97, 189448), (119, 154424), (136, 135121), (194, 94724), (199, 92344), (238, 77212), (388, 47362), (398, 46172), (476, 38606), (679, 27064), (776, 23681), (796, 23086), (952, 19303), (1358, 13532), (1393, 13192), (1592, 11543), (1649, 11144), (2716, 6766), (2786, 6596), (3298, 5572), (3383, 5432)]