19086320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{41}}^1$

素因数の和:111

約数の個数: 120

約数和(自身を含む): 51840432

約数和(自身を除く): 32754112

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 41, 44, 46, 55, 80, 82, 88, 92, 110, 115, 164, 176, 184, 205, 220, 230, 253, 328, 368, 410, 440, 451, 460, 506, 529, 656, 820, 880, 902, 920, 943, 1012, 1058, 1265, 1640, 1804, 1840, 1886, 2024, 2116, 2255, 2530, 2645, 3280, 3608, 3772, 4048, 4232, 4510, 4715, 5060, 5290, 5819, 7216, 7544, 8464, 9020, 9430, 10120, 10373, 10580, 11638, 15088, 18040, 18860, 20240, 20746, 21160, 21689, 23276, 29095, 36080, 37720, 41492, 42320, 43378, 46552, 51865, 58190, 75440, 82984, 86756, 93104, 103730, 108445, 116380, 165968, 173512, 207460, 216890, 232760, 238579, 347024, 414920, 433780, 465520, 477158, 829840, 867560, 954316, 1192895, 1735120, 1908632, 2385790, 3817264, 4771580, 9543160, 19086320]

約数ペア:

[(1, 19086320), (2, 9543160), (4, 4771580), (5, 3817264), (8, 2385790), (10, 1908632), (11, 1735120), (16, 1192895), (20, 954316), (22, 867560), (23, 829840), (40, 477158), (41, 465520), (44, 433780), (46, 414920), (55, 347024), (80, 238579), (82, 232760), (88, 216890), (92, 207460), (110, 173512), (115, 165968), (164, 116380), (176, 108445), (184, 103730), (205, 93104), (220, 86756), (230, 82984), (253, 75440), (328, 58190), (368, 51865), (410, 46552), (440, 43378), (451, 42320), (460, 41492), (506, 37720), (529, 36080), (656, 29095), (820, 23276), (880, 21689), (902, 21160), (920, 20746), (943, 20240), (1012, 18860), (1058, 18040), (1265, 15088), (1640, 11638), (1804, 10580), (1840, 10373), (1886, 10120), (2024, 9430), (2116, 9020), (2255, 8464), (2530, 7544), (2645, 7216), (3280, 5819), (3608, 5290), (3772, 5060), (4048, 4715), (4232, 4510)]