18915090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{4813}}^1$

素因数の和:4954

約数の個数: 32

約数和(自身を含む): 45752256

約数和(自身を除く): 26837166

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 131, 262, 393, 655, 786, 1310, 1965, 3930, 4813, 9626, 14439, 24065, 28878, 48130, 72195, 144390, 630503, 1261006, 1891509, 3152515, 3783018, 6305030, 9457545, 18915090]

約数ペア:

[(1, 18915090), (2, 9457545), (3, 6305030), (5, 3783018), (6, 3152515), (10, 1891509), (15, 1261006), (30, 630503), (131, 144390), (262, 72195), (393, 48130), (655, 28878), (786, 24065), (1310, 14439), (1965, 9626), (3930, 4813)]