18627620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{373}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 42977088

約数和(自身を除く): 24349468

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 227, 373, 454, 746, 908, 1135, 1492, 1865, 2270, 2497, 3730, 4103, 4540, 4994, 7460, 8206, 9988, 12485, 16412, 20515, 24970, 41030, 49940, 82060, 84671, 169342, 338684, 423355, 846710, 931381, 1693420, 1862762, 3725524, 4656905, 9313810, 18627620]

約数ペア:

[(1, 18627620), (2, 9313810), (4, 4656905), (5, 3725524), (10, 1862762), (11, 1693420), (20, 931381), (22, 846710), (44, 423355), (55, 338684), (110, 169342), (220, 84671), (227, 82060), (373, 49940), (454, 41030), (746, 24970), (908, 20515), (1135, 16412), (1492, 12485), (1865, 9988), (2270, 8206), (2497, 7460), (3730, 4994), (4103, 4540)]