18959392

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:353

約数の個数: 48

約数和(自身を含む): 39070080

約数和(自身を除く): 20110688

約数列:

[1, 2, 4, 8, 16, 32, 37, 67, 74, 134, 148, 239, 268, 296, 478, 536, 592, 956, 1072, 1184, 1912, 2144, 2479, 3824, 4958, 7648, 8843, 9916, 16013, 17686, 19832, 32026, 35372, 39664, 64052, 70744, 79328, 128104, 141488, 256208, 282976, 512416, 592481, 1184962, 2369924, 4739848, 9479696, 18959392]

約数ペア:

[(1, 18959392), (2, 9479696), (4, 4739848), (8, 2369924), (16, 1184962), (32, 592481), (37, 512416), (67, 282976), (74, 256208), (134, 141488), (148, 128104), (239, 79328), (268, 70744), (296, 64052), (478, 39664), (536, 35372), (592, 32026), (956, 19832), (1072, 17686), (1184, 16013), (1912, 9916), (2144, 8843), (2479, 7648), (3824, 4958)]