19409784

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{421}}^1$

素因数の和:560

約数の個数: 64

約数和(自身を含む): 51956640

約数和(自身を除く): 32546856

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 113, 136, 204, 226, 339, 408, 421, 452, 678, 842, 904, 1263, 1356, 1684, 1921, 2526, 2712, 3368, 3842, 5052, 5763, 7157, 7684, 10104, 11526, 14314, 15368, 21471, 23052, 28628, 42942, 46104, 47573, 57256, 85884, 95146, 142719, 171768, 190292, 285438, 380584, 570876, 808741, 1141752, 1617482, 2426223, 3234964, 4852446, 6469928, 9704892, 19409784]

約数ペア:

[(1, 19409784), (2, 9704892), (3, 6469928), (4, 4852446), (6, 3234964), (8, 2426223), (12, 1617482), (17, 1141752), (24, 808741), (34, 570876), (51, 380584), (68, 285438), (102, 190292), (113, 171768), (136, 142719), (204, 95146), (226, 85884), (339, 57256), (408, 47573), (421, 46104), (452, 42942), (678, 28628), (842, 23052), (904, 21471), (1263, 15368), (1356, 14314), (1684, 11526), (1921, 10104), (2526, 7684), (2712, 7157), (3368, 5763), (3842, 5052)]