19045840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{941}}^1$

素因数の和:988

約数の個数: 80

約数和(自身を含む): 50461056

約数和(自身を除く): 31415216

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, 920, 941, 1012, 1265, 1840, 1882, 2024, 2530, 3764, 4048, 4705, 5060, 7528, 9410, 10120, 10351, 15056, 18820, 20240, 20702, 21643, 37640, 41404, 43286, 51755, 75280, 82808, 86572, 103510, 108215, 165616, 173144, 207020, 216430, 238073, 346288, 414040, 432860, 476146, 828080, 865720, 952292, 1190365, 1731440, 1904584, 2380730, 3809168, 4761460, 9522920, 19045840]

約数ペア:

[(1, 19045840), (2, 9522920), (4, 4761460), (5, 3809168), (8, 2380730), (10, 1904584), (11, 1731440), (16, 1190365), (20, 952292), (22, 865720), (23, 828080), (40, 476146), (44, 432860), (46, 414040), (55, 346288), (80, 238073), (88, 216430), (92, 207020), (110, 173144), (115, 165616), (176, 108215), (184, 103510), (220, 86572), (230, 82808), (253, 75280), (368, 51755), (440, 43286), (460, 41404), (506, 37640), (880, 21643), (920, 20702), (941, 20240), (1012, 18820), (1265, 15056), (1840, 10351), (1882, 10120), (2024, 9410), (2530, 7528), (3764, 5060), (4048, 4705)]