19378935

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 35141184

約数和(自身を除く): 15762249

約数列:

[1, 3, 5, 9, 15, 37, 45, 103, 111, 113, 185, 309, 333, 339, 515, 555, 565, 927, 1017, 1545, 1665, 1695, 3811, 4181, 4635, 5085, 11433, 11639, 12543, 19055, 20905, 34299, 34917, 37629, 57165, 58195, 62715, 104751, 171495, 174585, 188145, 430643, 523755, 1291929, 2153215, 3875787, 6459645, 19378935]

約数ペア:

[(1, 19378935), (3, 6459645), (5, 3875787), (9, 2153215), (15, 1291929), (37, 523755), (45, 430643), (103, 188145), (111, 174585), (113, 171495), (185, 104751), (309, 62715), (333, 58195), (339, 57165), (515, 37629), (555, 34917), (565, 34299), (927, 20905), (1017, 19055), (1545, 12543), (1665, 11639), (1695, 11433), (3811, 5085), (4181, 4635)]