18740904

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8581}}^1$

素因数の和:8610

約数の個数: 64

約数和(自身を含む): 57671040

約数和(自身を除く): 38930136

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 273, 312, 364, 546, 728, 1092, 2184, 8581, 17162, 25743, 34324, 51486, 60067, 68648, 102972, 111553, 120134, 180201, 205944, 223106, 240268, 334659, 360402, 446212, 480536, 669318, 720804, 780871, 892424, 1338636, 1441608, 1561742, 2342613, 2677272, 3123484, 4685226, 6246968, 9370452, 18740904]

約数ペア:

[(1, 18740904), (2, 9370452), (3, 6246968), (4, 4685226), (6, 3123484), (7, 2677272), (8, 2342613), (12, 1561742), (13, 1441608), (14, 1338636), (21, 892424), (24, 780871), (26, 720804), (28, 669318), (39, 480536), (42, 446212), (52, 360402), (56, 334659), (78, 240268), (84, 223106), (91, 205944), (104, 180201), (156, 120134), (168, 111553), (182, 102972), (273, 68648), (312, 60067), (364, 51486), (546, 34324), (728, 25743), (1092, 17162), (2184, 8581)]