18687513

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 29514240

約数和(自身を除く): 10826727

約数列:

[1, 3, 13, 29, 31, 39, 41, 87, 93, 123, 169, 377, 403, 507, 533, 899, 1131, 1189, 1209, 1271, 1599, 2697, 3567, 3813, 4901, 5239, 6929, 11687, 14703, 15457, 15717, 16523, 20787, 35061, 36859, 46371, 49569, 110577, 151931, 200941, 214799, 455793, 479167, 602823, 644397, 1437501, 6229171, 18687513]

約数ペア:

[(1, 18687513), (3, 6229171), (13, 1437501), (29, 644397), (31, 602823), (39, 479167), (41, 455793), (87, 214799), (93, 200941), (123, 151931), (169, 110577), (377, 49569), (403, 46371), (507, 36859), (533, 35061), (899, 20787), (1131, 16523), (1189, 15717), (1209, 15457), (1271, 14703), (1599, 11687), (2697, 6929), (3567, 5239), (3813, 4901)]