19912318358

素因数分解:

$2^1\times {\mathrm{151}}^1\times {\mathrm{179}}^1\times {\mathrm{479}}^1\times {\mathrm{769}}^1$

素因数の和:1580

約数の個数: 32

約数和(自身を含む): 30336768000

約数和(自身を除く): 10424449642

約数列:

[1, 2, 151, 179, 302, 358, 479, 769, 958, 1538, 27029, 54058, 72329, 85741, 116119, 137651, 144658, 171482, 232238, 275302, 368351, 736702, 12946891, 20785301, 25893782, 41570602, 55621001, 65934829, 111242002, 131869658, 9956159179, 19912318358]

約数ペア:

[(1, 19912318358), (2, 9956159179), (151, 131869658), (179, 111242002), (302, 65934829), (358, 55621001), (479, 41570602), (769, 25893782), (958, 20785301), (1538, 12946891), (27029, 736702), (54058, 368351), (72329, 275302), (85741, 232238), (116119, 171482), (137651, 144658)]