18573488

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{571}}^1$

素因数の和:705

約数の個数: 40

約数和(自身を含む): 38301120

約数和(自身を除く): 19727632

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 107, 152, 214, 304, 428, 571, 856, 1142, 1712, 2033, 2284, 4066, 4568, 8132, 9136, 10849, 16264, 21698, 32528, 43396, 61097, 86792, 122194, 173584, 244388, 488776, 977552, 1160843, 2321686, 4643372, 9286744, 18573488]

約数ペア:

[(1, 18573488), (2, 9286744), (4, 4643372), (8, 2321686), (16, 1160843), (19, 977552), (38, 488776), (76, 244388), (107, 173584), (152, 122194), (214, 86792), (304, 61097), (428, 43396), (571, 32528), (856, 21698), (1142, 16264), (1712, 10849), (2033, 9136), (2284, 8132), (4066, 4568)]