17871920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{883}}^1$

素因数の和:930

約数の個数: 80

約数和(自身を含む): 47354112

約数和(自身を除く): 29482192

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 92, 110, 115, 176, 184, 220, 230, 253, 368, 440, 460, 506, 880, 883, 920, 1012, 1265, 1766, 1840, 2024, 2530, 3532, 4048, 4415, 5060, 7064, 8830, 9713, 10120, 14128, 17660, 19426, 20240, 20309, 35320, 38852, 40618, 48565, 70640, 77704, 81236, 97130, 101545, 155408, 162472, 194260, 203090, 223399, 324944, 388520, 406180, 446798, 777040, 812360, 893596, 1116995, 1624720, 1787192, 2233990, 3574384, 4467980, 8935960, 17871920]

約数ペア:

[(1, 17871920), (2, 8935960), (4, 4467980), (5, 3574384), (8, 2233990), (10, 1787192), (11, 1624720), (16, 1116995), (20, 893596), (22, 812360), (23, 777040), (40, 446798), (44, 406180), (46, 388520), (55, 324944), (80, 223399), (88, 203090), (92, 194260), (110, 162472), (115, 155408), (176, 101545), (184, 97130), (220, 81236), (230, 77704), (253, 70640), (368, 48565), (440, 40618), (460, 38852), (506, 35320), (880, 20309), (883, 20240), (920, 19426), (1012, 17660), (1265, 14128), (1766, 10120), (1840, 9713), (2024, 8830), (2530, 7064), (3532, 5060), (4048, 4415)]