18476820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4463}}^1$

素因数の和:4501

約数の個数: 72

約数和(自身を含む): 58496256

約数和(自身を除く): 40019436

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 4463, 8926, 13389, 17852, 22315, 26778, 40167, 44630, 53556, 66945, 80334, 89260, 102649, 133890, 160668, 200835, 205298, 267780, 307947, 401670, 410596, 513245, 615894, 803340, 923841, 1026490, 1231788, 1539735, 1847682, 2052980, 3079470, 3695364, 4619205, 6158940, 9238410, 18476820]

約数ペア:

[(1, 18476820), (2, 9238410), (3, 6158940), (4, 4619205), (5, 3695364), (6, 3079470), (9, 2052980), (10, 1847682), (12, 1539735), (15, 1231788), (18, 1026490), (20, 923841), (23, 803340), (30, 615894), (36, 513245), (45, 410596), (46, 401670), (60, 307947), (69, 267780), (90, 205298), (92, 200835), (115, 160668), (138, 133890), (180, 102649), (207, 89260), (230, 80334), (276, 66945), (345, 53556), (414, 44630), (460, 40167), (690, 26778), (828, 22315), (1035, 17852), (1380, 13389), (2070, 8926), (4140, 4463)]