19206005

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{191}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 30357504

約数和(自身を除く): 11151499

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 169, 191, 221, 455, 595, 845, 955, 1105, 1183, 1337, 1547, 2483, 2873, 3247, 5915, 6685, 7735, 12415, 14365, 16235, 17381, 20111, 22729, 32279, 42211, 86905, 100555, 113645, 161395, 211055, 225953, 295477, 548743, 1129765, 1477385, 2743715, 3841201, 19206005]

約数ペア:

[(1, 19206005), (5, 3841201), (7, 2743715), (13, 1477385), (17, 1129765), (35, 548743), (65, 295477), (85, 225953), (91, 211055), (119, 161395), (169, 113645), (191, 100555), (221, 86905), (455, 42211), (595, 32279), (845, 22729), (955, 20111), (1105, 17381), (1183, 16235), (1337, 14365), (1547, 12415), (2483, 7735), (2873, 6685), (3247, 5915)]