18419115

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:340

約数の個数: 64

約数和(自身を含む): 35868672

約数和(自身を除く): 17449557

約数列:

[1, 3, 5, 11, 13, 15, 31, 33, 39, 55, 65, 93, 143, 155, 165, 195, 277, 341, 403, 429, 465, 715, 831, 1023, 1209, 1385, 1705, 2015, 2145, 3047, 3601, 4155, 4433, 5115, 6045, 8587, 9141, 10803, 13299, 15235, 18005, 22165, 25761, 39611, 42935, 45705, 54015, 66495, 94457, 111631, 118833, 128805, 198055, 283371, 334893, 472285, 558155, 594165, 1227941, 1416855, 1674465, 3683823, 6139705, 18419115]

約数ペア:

[(1, 18419115), (3, 6139705), (5, 3683823), (11, 1674465), (13, 1416855), (15, 1227941), (31, 594165), (33, 558155), (39, 472285), (55, 334893), (65, 283371), (93, 198055), (143, 128805), (155, 118833), (165, 111631), (195, 94457), (277, 66495), (341, 54015), (403, 45705), (429, 42935), (465, 39611), (715, 25761), (831, 22165), (1023, 18005), (1209, 15235), (1385, 13299), (1705, 10803), (2015, 9141), (2145, 8587), (3047, 6045), (3601, 5115), (4155, 4433)]