19919325

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{919}}^1$

素因数の和:966

約数の個数: 36

約数和(自身を含む): 35022560

約数和(自身を除く): 15103235

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 289, 425, 867, 919, 1275, 1445, 2757, 4335, 4595, 7225, 13785, 15623, 21675, 22975, 46869, 68925, 78115, 234345, 265591, 390575, 796773, 1171725, 1327955, 3983865, 6639775, 19919325]

約数ペア:

[(1, 19919325), (3, 6639775), (5, 3983865), (15, 1327955), (17, 1171725), (25, 796773), (51, 390575), (75, 265591), (85, 234345), (255, 78115), (289, 68925), (425, 46869), (867, 22975), (919, 21675), (1275, 15623), (1445, 13785), (2757, 7225), (4335, 4595)]