18940454

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1667}}^1$

素因数の和:1724

約数の個数: 32

約数和(自身を含む): 33626880

約数和(自身を除く): 14686426

約数列:

[1, 2, 13, 19, 23, 26, 38, 46, 247, 299, 437, 494, 598, 874, 1667, 3334, 5681, 11362, 21671, 31673, 38341, 43342, 63346, 76682, 411749, 498433, 728479, 823498, 996866, 1456958, 9470227, 18940454]

約数ペア:

[(1, 18940454), (2, 9470227), (13, 1456958), (19, 996866), (23, 823498), (26, 728479), (38, 498433), (46, 411749), (247, 76682), (299, 63346), (437, 43342), (494, 38341), (598, 31673), (874, 21671), (1667, 11362), (3334, 5681)]