19493265

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:190

約数の個数: 64

約数和(自身を含む): 36421632

約数和(自身を除く): 16928367

約数列:

[1, 3, 5, 11, 15, 31, 33, 37, 55, 93, 103, 111, 155, 165, 185, 309, 341, 407, 465, 515, 555, 1023, 1133, 1147, 1221, 1545, 1705, 2035, 3193, 3399, 3441, 3811, 5115, 5665, 5735, 6105, 9579, 11433, 12617, 15965, 16995, 17205, 19055, 35123, 37851, 41921, 47895, 57165, 63085, 105369, 118141, 125763, 175615, 189255, 209605, 354423, 526845, 590705, 628815, 1299551, 1772115, 3898653, 6497755, 19493265]

約数ペア:

[(1, 19493265), (3, 6497755), (5, 3898653), (11, 1772115), (15, 1299551), (31, 628815), (33, 590705), (37, 526845), (55, 354423), (93, 209605), (103, 189255), (111, 175615), (155, 125763), (165, 118141), (185, 105369), (309, 63085), (341, 57165), (407, 47895), (465, 41921), (515, 37851), (555, 35123), (1023, 19055), (1133, 17205), (1147, 16995), (1221, 15965), (1545, 12617), (1705, 11433), (2035, 9579), (3193, 6105), (3399, 5735), (3441, 5665), (3811, 5115)]