19947528

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{379}}^1$

素因数の和:451

約数の個数: 96

約数和(自身を含む): 58687200

約数和(自身を除く): 38739672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 43, 51, 68, 72, 86, 102, 129, 136, 153, 172, 204, 258, 306, 344, 379, 387, 408, 516, 612, 731, 758, 774, 1032, 1137, 1224, 1462, 1516, 1548, 2193, 2274, 2924, 3032, 3096, 3411, 4386, 4548, 5848, 6443, 6579, 6822, 8772, 9096, 12886, 13158, 13644, 16297, 17544, 19329, 25772, 26316, 27288, 32594, 38658, 48891, 51544, 52632, 57987, 65188, 77316, 97782, 115974, 130376, 146673, 154632, 195564, 231948, 277049, 293346, 391128, 463896, 554098, 586692, 831147, 1108196, 1173384, 1662294, 2216392, 2493441, 3324588, 4986882, 6649176, 9973764, 19947528]

約数ペア:

[(1, 19947528), (2, 9973764), (3, 6649176), (4, 4986882), (6, 3324588), (8, 2493441), (9, 2216392), (12, 1662294), (17, 1173384), (18, 1108196), (24, 831147), (34, 586692), (36, 554098), (43, 463896), (51, 391128), (68, 293346), (72, 277049), (86, 231948), (102, 195564), (129, 154632), (136, 146673), (153, 130376), (172, 115974), (204, 97782), (258, 77316), (306, 65188), (344, 57987), (379, 52632), (387, 51544), (408, 48891), (516, 38658), (612, 32594), (731, 27288), (758, 26316), (774, 25772), (1032, 19329), (1137, 17544), (1224, 16297), (1462, 13644), (1516, 13158), (1548, 12886), (2193, 9096), (2274, 8772), (2924, 6822), (3032, 6579), (3096, 6443), (3411, 5848), (4386, 4548)]