18913596

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3911}}^1$

素因数の和:3962

約数の個数: 48

約数和(自身を含む): 49072128

約数和(自身を除く): 30158532

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 372, 403, 806, 1209, 1612, 2418, 3911, 4836, 7822, 11733, 15644, 23466, 46932, 50843, 101686, 121241, 152529, 203372, 242482, 305058, 363723, 484964, 610116, 727446, 1454892, 1576133, 3152266, 4728399, 6304532, 9456798, 18913596]

約数ペア:

[(1, 18913596), (2, 9456798), (3, 6304532), (4, 4728399), (6, 3152266), (12, 1576133), (13, 1454892), (26, 727446), (31, 610116), (39, 484964), (52, 363723), (62, 305058), (78, 242482), (93, 203372), (124, 152529), (156, 121241), (186, 101686), (372, 50843), (403, 46932), (806, 23466), (1209, 15644), (1612, 11733), (2418, 7822), (3911, 4836)]