18859936

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{937}}^1$

素因数の和:1001

約数の個数: 48

約数和(自身を含む): 40420296

約数和(自身を除く): 21560360

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 37, 68, 74, 136, 148, 272, 296, 544, 592, 629, 937, 1184, 1258, 1874, 2516, 3748, 5032, 7496, 10064, 14992, 15929, 20128, 29984, 31858, 34669, 63716, 69338, 127432, 138676, 254864, 277352, 509728, 554704, 589373, 1109408, 1178746, 2357492, 4714984, 9429968, 18859936]

約数ペア:

[(1, 18859936), (2, 9429968), (4, 4714984), (8, 2357492), (16, 1178746), (17, 1109408), (32, 589373), (34, 554704), (37, 509728), (68, 277352), (74, 254864), (136, 138676), (148, 127432), (272, 69338), (296, 63716), (544, 34669), (592, 31858), (629, 29984), (937, 20128), (1184, 15929), (1258, 14992), (1874, 10064), (2516, 7496), (3748, 5032)]