19478536

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:434

約数の個数: 64

約数和(自身を含む): 46126080

約数和(自身を除く): 26647544

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 103, 154, 206, 307, 308, 412, 614, 616, 721, 824, 1133, 1228, 1442, 2149, 2266, 2456, 2884, 3377, 4298, 4532, 5768, 6754, 7931, 8596, 9064, 13508, 15862, 17192, 23639, 27016, 31621, 31724, 47278, 63242, 63448, 94556, 126484, 189112, 221347, 252968, 347831, 442694, 695662, 885388, 1391324, 1770776, 2434817, 2782648, 4869634, 9739268, 19478536]

約数ペア:

[(1, 19478536), (2, 9739268), (4, 4869634), (7, 2782648), (8, 2434817), (11, 1770776), (14, 1391324), (22, 885388), (28, 695662), (44, 442694), (56, 347831), (77, 252968), (88, 221347), (103, 189112), (154, 126484), (206, 94556), (307, 63448), (308, 63242), (412, 47278), (614, 31724), (616, 31621), (721, 27016), (824, 23639), (1133, 17192), (1228, 15862), (1442, 13508), (2149, 9064), (2266, 8596), (2456, 7931), (2884, 6754), (3377, 5768), (4298, 4532)]