16503880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{17939}}^1$

素因数の和:17973

約数の個数: 32

約数和(自身を含む): 38750400

約数和(自身を除く): 22246520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 17939, 35878, 71756, 89695, 143512, 179390, 358780, 412597, 717560, 825194, 1650388, 2062985, 3300776, 4125970, 8251940, 16503880]

約数ペア:

[(1, 16503880), (2, 8251940), (4, 4125970), (5, 3300776), (8, 2062985), (10, 1650388), (20, 825194), (23, 717560), (40, 412597), (46, 358780), (92, 179390), (115, 143512), (184, 89695), (230, 71756), (460, 35878), (920, 17939)]