18603320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 44435520

約数和(自身を除く): 25832200

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 73, 92, 115, 146, 184, 230, 277, 292, 365, 460, 554, 584, 730, 920, 1108, 1385, 1460, 1679, 2216, 2770, 2920, 3358, 5540, 6371, 6716, 8395, 11080, 12742, 13432, 16790, 20221, 25484, 31855, 33580, 40442, 50968, 63710, 67160, 80884, 101105, 127420, 161768, 202210, 254840, 404420, 465083, 808840, 930166, 1860332, 2325415, 3720664, 4650830, 9301660, 18603320]

約数ペア:

[(1, 18603320), (2, 9301660), (4, 4650830), (5, 3720664), (8, 2325415), (10, 1860332), (20, 930166), (23, 808840), (40, 465083), (46, 404420), (73, 254840), (92, 202210), (115, 161768), (146, 127420), (184, 101105), (230, 80884), (277, 67160), (292, 63710), (365, 50968), (460, 40442), (554, 33580), (584, 31855), (730, 25484), (920, 20221), (1108, 16790), (1385, 13432), (1460, 12742), (1679, 11080), (2216, 8395), (2770, 6716), (2920, 6371), (3358, 5540)]