19800065992

素因数分解:

$2^3\times 7^1\times {\mathrm{233}}^1\times {\mathrm{317}}^1\times {\mathrm{4787}}^1$

素因数の和:5350

約数の個数: 64

約数和(自身を含む): 42754158720

約数和(自身を除く): 22954092728

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 233, 317, 466, 634, 932, 1268, 1631, 1864, 2219, 2536, 3262, 4438, 4787, 6524, 8876, 9574, 13048, 17752, 19148, 33509, 38296, 67018, 73861, 134036, 147722, 268072, 295444, 517027, 590888, 1034054, 1115371, 1517479, 2068108, 2230742, 3034958, 4136216, 4461484, 6069916, 7807597, 8922968, 10622353, 12139832, 15615194, 21244706, 31230388, 42489412, 62460776, 84978824, 353572607, 707145214, 1414290428, 2475008249, 2828580856, 4950016498, 9900032996, 19800065992]

約数ペア:

[(1, 19800065992), (2, 9900032996), (4, 4950016498), (7, 2828580856), (8, 2475008249), (14, 1414290428), (28, 707145214), (56, 353572607), (233, 84978824), (317, 62460776), (466, 42489412), (634, 31230388), (932, 21244706), (1268, 15615194), (1631, 12139832), (1864, 10622353), (2219, 8922968), (2536, 7807597), (3262, 6069916), (4438, 4461484), (4787, 4136216), (6524, 3034958), (8876, 2230742), (9574, 2068108), (13048, 1517479), (17752, 1115371), (19148, 1034054), (33509, 590888), (38296, 517027), (67018, 295444), (73861, 268072), (134036, 147722)]