19986252

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{613}}^1$

素因数の和:663

約数の個数: 96

約数和(自身を含む): 57765120

約数和(自身を除く): 37778868

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 19, 22, 26, 33, 38, 39, 44, 52, 57, 66, 76, 78, 114, 132, 143, 156, 209, 228, 247, 286, 418, 429, 494, 572, 613, 627, 741, 836, 858, 988, 1226, 1254, 1482, 1716, 1839, 2452, 2508, 2717, 2964, 3678, 5434, 6743, 7356, 7969, 8151, 10868, 11647, 13486, 15938, 16302, 20229, 23294, 23907, 26972, 31876, 32604, 34941, 40458, 46588, 47814, 69882, 80916, 87659, 95628, 128117, 139764, 151411, 175318, 256234, 262977, 302822, 350636, 384351, 454233, 512468, 525954, 605644, 768702, 908466, 1051908, 1537404, 1665521, 1816932, 3331042, 4996563, 6662084, 9993126, 19986252]

約数ペア:

[(1, 19986252), (2, 9993126), (3, 6662084), (4, 4996563), (6, 3331042), (11, 1816932), (12, 1665521), (13, 1537404), (19, 1051908), (22, 908466), (26, 768702), (33, 605644), (38, 525954), (39, 512468), (44, 454233), (52, 384351), (57, 350636), (66, 302822), (76, 262977), (78, 256234), (114, 175318), (132, 151411), (143, 139764), (156, 128117), (209, 95628), (228, 87659), (247, 80916), (286, 69882), (418, 47814), (429, 46588), (494, 40458), (572, 34941), (613, 32604), (627, 31876), (741, 26972), (836, 23907), (858, 23294), (988, 20229), (1226, 16302), (1254, 15938), (1482, 13486), (1716, 11647), (1839, 10868), (2452, 8151), (2508, 7969), (2717, 7356), (2964, 6743), (3678, 5434)]