19514640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4783}}^1$

素因数の和:4816

約数の個数: 80

約数和(自身を含む): 64067328

約数和(自身を除く): 44552688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 4783, 9566, 14349, 19132, 23915, 28698, 38264, 47830, 57396, 71745, 76528, 81311, 95660, 114792, 143490, 162622, 191320, 229584, 243933, 286980, 325244, 382640, 406555, 487866, 573960, 650488, 813110, 975732, 1147920, 1219665, 1300976, 1626220, 1951464, 2439330, 3252440, 3902928, 4878660, 6504880, 9757320, 19514640]

約数ペア:

[(1, 19514640), (2, 9757320), (3, 6504880), (4, 4878660), (5, 3902928), (6, 3252440), (8, 2439330), (10, 1951464), (12, 1626220), (15, 1300976), (16, 1219665), (17, 1147920), (20, 975732), (24, 813110), (30, 650488), (34, 573960), (40, 487866), (48, 406555), (51, 382640), (60, 325244), (68, 286980), (80, 243933), (85, 229584), (102, 191320), (120, 162622), (136, 143490), (170, 114792), (204, 95660), (240, 81311), (255, 76528), (272, 71745), (340, 57396), (408, 47830), (510, 38264), (680, 28698), (816, 23915), (1020, 19132), (1360, 14349), (2040, 9566), (4080, 4783)]