19965114

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2081}}^1$

素因数の和:2143

約数の個数: 48

約数和(自身を含む): 47744424

約数和(自身を除く): 27779310

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 41, 78, 82, 117, 123, 234, 246, 369, 533, 738, 1066, 1599, 2081, 3198, 4162, 4797, 6243, 9594, 12486, 18729, 27053, 37458, 54106, 81159, 85321, 162318, 170642, 243477, 255963, 486954, 511926, 767889, 1109173, 1535778, 2218346, 3327519, 6655038, 9982557, 19965114]

約数ペア:

[(1, 19965114), (2, 9982557), (3, 6655038), (6, 3327519), (9, 2218346), (13, 1535778), (18, 1109173), (26, 767889), (39, 511926), (41, 486954), (78, 255963), (82, 243477), (117, 170642), (123, 162318), (234, 85321), (246, 81159), (369, 54106), (533, 37458), (738, 27053), (1066, 18729), (1599, 12486), (2081, 9594), (3198, 6243), (4162, 4797)]