18959940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{35111}}^1$

素因数の和:35129

約数の個数: 48

約数和(自身を含む): 58988160

約数和(自身を除く): 40028220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 35111, 70222, 105333, 140444, 175555, 210666, 315999, 351110, 421332, 526665, 631998, 702220, 947997, 1053330, 1263996, 1579995, 1895994, 2106660, 3159990, 3791988, 4739985, 6319980, 9479970, 18959940]

約数ペア:

[(1, 18959940), (2, 9479970), (3, 6319980), (4, 4739985), (5, 3791988), (6, 3159990), (9, 2106660), (10, 1895994), (12, 1579995), (15, 1263996), (18, 1053330), (20, 947997), (27, 702220), (30, 631998), (36, 526665), (45, 421332), (54, 351110), (60, 315999), (90, 210666), (108, 175555), (135, 140444), (180, 105333), (270, 70222), (540, 35111)]