19643814

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{349}}^1$

素因数の和:469

約数の個数: 48

約数和(自身を含む): 44226000

約数和(自身を除く): 24582186

約数列:

[1, 2, 3, 6, 9, 18, 53, 59, 106, 118, 159, 177, 318, 349, 354, 477, 531, 698, 954, 1047, 1062, 2094, 3127, 3141, 6254, 6282, 9381, 18497, 18762, 20591, 28143, 36994, 41182, 55491, 56286, 61773, 110982, 123546, 166473, 185319, 332946, 370638, 1091323, 2182646, 3273969, 6547938, 9821907, 19643814]

約数ペア:

[(1, 19643814), (2, 9821907), (3, 6547938), (6, 3273969), (9, 2182646), (18, 1091323), (53, 370638), (59, 332946), (106, 185319), (118, 166473), (159, 123546), (177, 110982), (318, 61773), (349, 56286), (354, 55491), (477, 41182), (531, 36994), (698, 28143), (954, 20591), (1047, 18762), (1062, 18497), (2094, 9381), (3127, 6282), (3141, 6254)]