18447219

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{439}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 32947200

約数和(自身を除く): 14499981

約数列:

[1, 3, 7, 9, 21, 23, 29, 63, 69, 87, 161, 203, 207, 261, 439, 483, 609, 667, 1317, 1449, 1827, 2001, 3073, 3951, 4669, 6003, 9219, 10097, 12731, 14007, 27657, 30291, 38193, 42021, 70679, 89117, 90873, 114579, 212037, 267351, 292813, 636111, 802053, 878439, 2049691, 2635317, 6149073, 18447219]

約数ペア:

[(1, 18447219), (3, 6149073), (7, 2635317), (9, 2049691), (21, 878439), (23, 802053), (29, 636111), (63, 292813), (69, 267351), (87, 212037), (161, 114579), (203, 90873), (207, 89117), (261, 70679), (439, 42021), (483, 38193), (609, 30291), (667, 27657), (1317, 14007), (1449, 12731), (1827, 10097), (2001, 9219), (3073, 6003), (3951, 4669)]