18928371

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1223}}^1$

素因数の和:1311

約数の個数: 32

約数和(自身を含む): 31961088

約数和(自身を除く): 13032717

約数列:

[1, 3, 7, 11, 21, 33, 67, 77, 201, 231, 469, 737, 1223, 1407, 2211, 3669, 5159, 8561, 13453, 15477, 25683, 40359, 81941, 94171, 245823, 282513, 573587, 901351, 1720761, 2704053, 6309457, 18928371]

約数ペア:

[(1, 18928371), (3, 6309457), (7, 2704053), (11, 1720761), (21, 901351), (33, 573587), (67, 282513), (77, 245823), (201, 94171), (231, 81941), (469, 40359), (737, 25683), (1223, 15477), (1407, 13453), (2211, 8561), (3669, 5159)]