18354870

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{433}}^1$

素因数の和:606

約数の個数: 64

約数和(自身を含む): 49371840

約数和(自身を除く): 31016970

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 157, 270, 314, 433, 471, 785, 866, 942, 1299, 1413, 1570, 2165, 2355, 2598, 2826, 3897, 4239, 4330, 4710, 6495, 7065, 7794, 8478, 11691, 12990, 14130, 19485, 21195, 23382, 38970, 42390, 58455, 67981, 116910, 135962, 203943, 339905, 407886, 611829, 679810, 1019715, 1223658, 1835487, 2039430, 3059145, 3670974, 6118290, 9177435, 18354870]

約数ペア:

[(1, 18354870), (2, 9177435), (3, 6118290), (5, 3670974), (6, 3059145), (9, 2039430), (10, 1835487), (15, 1223658), (18, 1019715), (27, 679810), (30, 611829), (45, 407886), (54, 339905), (90, 203943), (135, 135962), (157, 116910), (270, 67981), (314, 58455), (433, 42390), (471, 38970), (785, 23382), (866, 21195), (942, 19485), (1299, 14130), (1413, 12990), (1570, 11691), (2165, 8478), (2355, 7794), (2598, 7065), (2826, 6495), (3897, 4710), (4239, 4330)]