19217360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{269}}^1$

素因数の和:348

約数の個数: 80

約数和(自身を含む): 48211200

約数和(自身を除く): 28993840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 47, 76, 80, 94, 95, 152, 188, 190, 235, 269, 304, 376, 380, 470, 538, 752, 760, 893, 940, 1076, 1345, 1520, 1786, 1880, 2152, 2690, 3572, 3760, 4304, 4465, 5111, 5380, 7144, 8930, 10222, 10760, 12643, 14288, 17860, 20444, 21520, 25286, 25555, 35720, 40888, 50572, 51110, 63215, 71440, 81776, 101144, 102220, 126430, 202288, 204440, 240217, 252860, 408880, 480434, 505720, 960868, 1011440, 1201085, 1921736, 2402170, 3843472, 4804340, 9608680, 19217360]

約数ペア:

[(1, 19217360), (2, 9608680), (4, 4804340), (5, 3843472), (8, 2402170), (10, 1921736), (16, 1201085), (19, 1011440), (20, 960868), (38, 505720), (40, 480434), (47, 408880), (76, 252860), (80, 240217), (94, 204440), (95, 202288), (152, 126430), (188, 102220), (190, 101144), (235, 81776), (269, 71440), (304, 63215), (376, 51110), (380, 50572), (470, 40888), (538, 35720), (752, 25555), (760, 25286), (893, 21520), (940, 20444), (1076, 17860), (1345, 14288), (1520, 12643), (1786, 10760), (1880, 10222), (2152, 8930), (2690, 7144), (3572, 5380), (3760, 5111), (4304, 4465)]