19079880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:291

約数の個数: 128

約数和(自身を含む): 61931520

約数和(自身を除く): 42851640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 31, 40, 46, 60, 62, 69, 92, 93, 115, 120, 124, 138, 155, 184, 186, 223, 230, 248, 276, 310, 345, 372, 446, 460, 465, 552, 620, 669, 690, 713, 744, 892, 920, 930, 1115, 1240, 1338, 1380, 1426, 1784, 1860, 2139, 2230, 2676, 2760, 2852, 3345, 3565, 3720, 4278, 4460, 5129, 5352, 5704, 6690, 6913, 7130, 8556, 8920, 10258, 10695, 13380, 13826, 14260, 15387, 17112, 20516, 20739, 21390, 25645, 26760, 27652, 28520, 30774, 34565, 41032, 41478, 42780, 51290, 55304, 61548, 69130, 76935, 82956, 85560, 102580, 103695, 123096, 138260, 153870, 158999, 165912, 205160, 207390, 276520, 307740, 317998, 414780, 476997, 615480, 635996, 794995, 829560, 953994, 1271992, 1589990, 1907988, 2384985, 3179980, 3815976, 4769970, 6359960, 9539940, 19079880]

約数ペア:

[(1, 19079880), (2, 9539940), (3, 6359960), (4, 4769970), (5, 3815976), (6, 3179980), (8, 2384985), (10, 1907988), (12, 1589990), (15, 1271992), (20, 953994), (23, 829560), (24, 794995), (30, 635996), (31, 615480), (40, 476997), (46, 414780), (60, 317998), (62, 307740), (69, 276520), (92, 207390), (93, 205160), (115, 165912), (120, 158999), (124, 153870), (138, 138260), (155, 123096), (184, 103695), (186, 102580), (223, 85560), (230, 82956), (248, 76935), (276, 69130), (310, 61548), (345, 55304), (372, 51290), (446, 42780), (460, 41478), (465, 41032), (552, 34565), (620, 30774), (669, 28520), (690, 27652), (713, 26760), (744, 25645), (892, 21390), (920, 20739), (930, 20516), (1115, 17112), (1240, 15387), (1338, 14260), (1380, 13826), (1426, 13380), (1784, 10695), (1860, 10258), (2139, 8920), (2230, 8556), (2676, 7130), (2760, 6913), (2852, 6690), (3345, 5704), (3565, 5352), (3720, 5129), (4278, 4460)]