18692955

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 33908160

約数和(自身を除く): 15215205

約数列:

[1, 3, 5, 9, 15, 37, 45, 103, 109, 111, 185, 309, 327, 333, 515, 545, 555, 927, 981, 1545, 1635, 1665, 3811, 4033, 4635, 4905, 11227, 11433, 12099, 19055, 20165, 33681, 34299, 36297, 56135, 57165, 60495, 101043, 168405, 171495, 181485, 415399, 505215, 1246197, 2076995, 3738591, 6230985, 18692955]

約数ペア:

[(1, 18692955), (3, 6230985), (5, 3738591), (9, 2076995), (15, 1246197), (37, 505215), (45, 415399), (103, 181485), (109, 171495), (111, 168405), (185, 101043), (309, 60495), (327, 57165), (333, 56135), (515, 36297), (545, 34299), (555, 33681), (927, 20165), (981, 19055), (1545, 12099), (1635, 11433), (1665, 11227), (3811, 4905), (4033, 4635)]