18281070

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{887}}^1$

素因数の和:1129

約数の個数: 48

約数和(自身を含む): 47792160

約数和(自身を除く): 29511090

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 229, 458, 687, 887, 1145, 1374, 1774, 2061, 2290, 2661, 3435, 4122, 4435, 5322, 6870, 7983, 8870, 10305, 13305, 15966, 20610, 26610, 39915, 79830, 203123, 406246, 609369, 1015615, 1218738, 1828107, 2031230, 3046845, 3656214, 6093690, 9140535, 18281070]

約数ペア:

[(1, 18281070), (2, 9140535), (3, 6093690), (5, 3656214), (6, 3046845), (9, 2031230), (10, 1828107), (15, 1218738), (18, 1015615), (30, 609369), (45, 406246), (90, 203123), (229, 79830), (458, 39915), (687, 26610), (887, 20610), (1145, 15966), (1374, 13305), (1774, 10305), (2061, 8870), (2290, 7983), (2661, 6870), (3435, 5322), (4122, 4435)]