18444836986

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{997}}^1\times {\mathrm{1109}}^1$

素因数の和:2566

約数の個数: 32

約数和(自身を含む): 29245392000

約数和(自身を除く): 10800555014

約数列:

[1, 2, 19, 38, 439, 878, 997, 1109, 1994, 2218, 8341, 16682, 18943, 21071, 37886, 42142, 437683, 486851, 875366, 973702, 1105673, 2211346, 8315977, 9250169, 16631954, 18500338, 21007787, 42015574, 485390447, 970780894, 9222418493, 18444836986]

約数ペア:

[(1, 18444836986), (2, 9222418493), (19, 970780894), (38, 485390447), (439, 42015574), (878, 21007787), (997, 18500338), (1109, 16631954), (1994, 9250169), (2218, 8315977), (8341, 2211346), (16682, 1105673), (18943, 973702), (21071, 875366), (37886, 486851), (42142, 437683)]