18992558

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{677}}^1$

素因数の和:788

約数の個数: 24

約数和(自身を含む): 31266648

約数和(自身を除く): 12274090

約数列:

[1, 2, 13, 26, 83, 166, 169, 338, 677, 1079, 1354, 2158, 8801, 14027, 17602, 28054, 56191, 112382, 114413, 228826, 730483, 1460966, 9496279, 18992558]

約数ペア:

[(1, 18992558), (2, 9496279), (13, 1460966), (26, 730483), (83, 228826), (166, 114413), (169, 112382), (338, 56191), (677, 28054), (1079, 17602), (1354, 14027), (2158, 8801)]