19494513

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:323

約数の個数: 40

約数和(自身を含む): 31363200

約数和(自身を除く): 11868687

約数列:

[1, 3, 9, 19, 27, 53, 57, 81, 159, 171, 239, 477, 513, 717, 1007, 1431, 1539, 2151, 3021, 4293, 4541, 6453, 9063, 12667, 13623, 19359, 27189, 38001, 40869, 81567, 114003, 122607, 240673, 342009, 367821, 722019, 1026027, 2166057, 6498171, 19494513]

約数ペア:

[(1, 19494513), (3, 6498171), (9, 2166057), (19, 1026027), (27, 722019), (53, 367821), (57, 342009), (81, 240673), (159, 122607), (171, 114003), (239, 81567), (477, 40869), (513, 38001), (717, 27189), (1007, 19359), (1431, 13623), (1539, 12667), (2151, 9063), (3021, 6453), (4293, 4541)]