18027680

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10243}}^1$

素因数の和:10269

約数の個数: 48

約数和(自身を含む): 46466784

約数和(自身を除く): 28439104

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 10243, 20486, 40972, 51215, 81944, 102430, 112673, 163888, 204860, 225346, 327776, 409720, 450692, 563365, 819440, 901384, 1126730, 1638880, 1802768, 2253460, 3605536, 4506920, 9013840, 18027680]

約数ペア:

[(1, 18027680), (2, 9013840), (4, 4506920), (5, 3605536), (8, 2253460), (10, 1802768), (11, 1638880), (16, 1126730), (20, 901384), (22, 819440), (32, 563365), (40, 450692), (44, 409720), (55, 327776), (80, 225346), (88, 204860), (110, 163888), (160, 112673), (176, 102430), (220, 81944), (352, 51215), (440, 40972), (880, 20486), (1760, 10243)]