19552720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1307}}^1$

素因数の和:1348

約数の個数: 80

約数和(自身を含む): 52550208

約数和(自身を除く): 32997488

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 272, 340, 374, 440, 680, 748, 880, 935, 1307, 1360, 1496, 1870, 2614, 2992, 3740, 5228, 6535, 7480, 10456, 13070, 14377, 14960, 20912, 22219, 26140, 28754, 44438, 52280, 57508, 71885, 88876, 104560, 111095, 115016, 143770, 177752, 222190, 230032, 244409, 287540, 355504, 444380, 488818, 575080, 888760, 977636, 1150160, 1222045, 1777520, 1955272, 2444090, 3910544, 4888180, 9776360, 19552720]

約数ペア:

[(1, 19552720), (2, 9776360), (4, 4888180), (5, 3910544), (8, 2444090), (10, 1955272), (11, 1777520), (16, 1222045), (17, 1150160), (20, 977636), (22, 888760), (34, 575080), (40, 488818), (44, 444380), (55, 355504), (68, 287540), (80, 244409), (85, 230032), (88, 222190), (110, 177752), (136, 143770), (170, 115016), (176, 111095), (187, 104560), (220, 88876), (272, 71885), (340, 57508), (374, 52280), (440, 44438), (680, 28754), (748, 26140), (880, 22219), (935, 20912), (1307, 14960), (1360, 14377), (1496, 13070), (1870, 10456), (2614, 7480), (2992, 6535), (3740, 5228)]