19578060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4729}}^1$

素因数の和:4767

約数の個数: 72

約数和(自身を含む): 61981920

約数和(自身を除く): 42403860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 4729, 9458, 14187, 18916, 23645, 28374, 42561, 47290, 56748, 70935, 85122, 94580, 108767, 141870, 170244, 212805, 217534, 283740, 326301, 425610, 435068, 543835, 652602, 851220, 978903, 1087670, 1305204, 1631505, 1957806, 2175340, 3263010, 3915612, 4894515, 6526020, 9789030, 19578060]

約数ペア:

[(1, 19578060), (2, 9789030), (3, 6526020), (4, 4894515), (5, 3915612), (6, 3263010), (9, 2175340), (10, 1957806), (12, 1631505), (15, 1305204), (18, 1087670), (20, 978903), (23, 851220), (30, 652602), (36, 543835), (45, 435068), (46, 425610), (60, 326301), (69, 283740), (90, 217534), (92, 212805), (115, 170244), (138, 141870), (180, 108767), (207, 94580), (230, 85122), (276, 70935), (345, 56748), (414, 47290), (460, 42561), (690, 28374), (828, 23645), (1035, 18916), (1380, 14187), (2070, 9458), (4140, 4729)]