18923949

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{317}}^1$

素因数の和:407

約数の個数: 40

約数和(自身を含む): 31398048

約数和(自身を除く): 12474099

約数列:

[1, 3, 9, 11, 27, 33, 67, 81, 99, 201, 297, 317, 603, 737, 891, 951, 1809, 2211, 2853, 3487, 5427, 6633, 8559, 10461, 19899, 21239, 25677, 31383, 59697, 63717, 94149, 191151, 233629, 282447, 573453, 700887, 1720359, 2102661, 6307983, 18923949]

約数ペア:

[(1, 18923949), (3, 6307983), (9, 2102661), (11, 1720359), (27, 700887), (33, 573453), (67, 282447), (81, 233629), (99, 191151), (201, 94149), (297, 63717), (317, 59697), (603, 31383), (737, 25677), (891, 21239), (951, 19899), (1809, 10461), (2211, 8559), (2853, 6633), (3487, 5427)]