18054896

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{409}}^1$

素因数の和:537

約数の個数: 40

約数和(自身を含む): 36604800

約数和(自身を除く): 18549904

約数列:

[1, 2, 4, 8, 16, 31, 62, 89, 124, 178, 248, 356, 409, 496, 712, 818, 1424, 1636, 2759, 3272, 5518, 6544, 11036, 12679, 22072, 25358, 36401, 44144, 50716, 72802, 101432, 145604, 202864, 291208, 582416, 1128431, 2256862, 4513724, 9027448, 18054896]

約数ペア:

[(1, 18054896), (2, 9027448), (4, 4513724), (8, 2256862), (16, 1128431), (31, 582416), (62, 291208), (89, 202864), (124, 145604), (178, 101432), (248, 72802), (356, 50716), (409, 44144), (496, 36401), (712, 25358), (818, 22072), (1424, 12679), (1636, 11036), (2759, 6544), (3272, 5518)]