19613306830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{643}}^1\times {\mathrm{18049}}^1$

素因数の和:18725

約数の個数: 48

約数和(自身を含む): 38290114800

約数和(自身を除く): 18676807970

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 643, 845, 1286, 1690, 3215, 6430, 8359, 16718, 18049, 36098, 41795, 83590, 90245, 108667, 180490, 217334, 234637, 469274, 543335, 1086670, 1173185, 2346370, 3050281, 6100562, 11605507, 15251405, 23211014, 30502810, 58027535, 116055070, 150871591, 301743182, 754357955, 1508715910, 1961330683, 3922661366, 9806653415, 19613306830]

約数ペア:

[(1, 19613306830), (2, 9806653415), (5, 3922661366), (10, 1961330683), (13, 1508715910), (26, 754357955), (65, 301743182), (130, 150871591), (169, 116055070), (338, 58027535), (643, 30502810), (845, 23211014), (1286, 15251405), (1690, 11605507), (3215, 6100562), (6430, 3050281), (8359, 2346370), (16718, 1173185), (18049, 1086670), (36098, 543335), (41795, 469274), (83590, 234637), (90245, 217334), (108667, 180490)]