19585696

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{89}}^1$

素因数の和:158

約数の個数: 72

約数和(自身を含む): 43897140

約数和(自身を除く): 24311444

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 89, 92, 104, 178, 184, 208, 299, 356, 368, 416, 529, 598, 712, 736, 1058, 1157, 1196, 1424, 2047, 2116, 2314, 2392, 2848, 4094, 4232, 4628, 4784, 6877, 8188, 8464, 9256, 9568, 13754, 16376, 16928, 18512, 26611, 27508, 32752, 37024, 47081, 53222, 55016, 65504, 94162, 106444, 110032, 188324, 212888, 220064, 376648, 425776, 612053, 753296, 851552, 1224106, 1506592, 2448212, 4896424, 9792848, 19585696]

約数ペア:

[(1, 19585696), (2, 9792848), (4, 4896424), (8, 2448212), (13, 1506592), (16, 1224106), (23, 851552), (26, 753296), (32, 612053), (46, 425776), (52, 376648), (89, 220064), (92, 212888), (104, 188324), (178, 110032), (184, 106444), (208, 94162), (299, 65504), (356, 55016), (368, 53222), (416, 47081), (529, 37024), (598, 32752), (712, 27508), (736, 26611), (1058, 18512), (1157, 16928), (1196, 16376), (1424, 13754), (2047, 9568), (2116, 9256), (2314, 8464), (2392, 8188), (2848, 6877), (4094, 4784), (4232, 4628)]