19086512

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1493}}^1$

素因数の和:1565

約数の個数: 40

約数和(自身を含む): 40015296

約数和(自身を除く): 20928784

約数列:

[1, 2, 4, 8, 16, 17, 34, 47, 68, 94, 136, 188, 272, 376, 752, 799, 1493, 1598, 2986, 3196, 5972, 6392, 11944, 12784, 23888, 25381, 50762, 70171, 101524, 140342, 203048, 280684, 406096, 561368, 1122736, 1192907, 2385814, 4771628, 9543256, 19086512]

約数ペア:

[(1, 19086512), (2, 9543256), (4, 4771628), (8, 2385814), (16, 1192907), (17, 1122736), (34, 561368), (47, 406096), (68, 280684), (94, 203048), (136, 140342), (188, 101524), (272, 70171), (376, 50762), (752, 25381), (799, 23888), (1493, 12784), (1598, 11944), (2986, 6392), (3196, 5972)]