18559116

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:271

約数の個数: 72

約数和(自身を含む): 48825504

約数和(自身を除く): 30266388

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 71, 106, 137, 142, 159, 212, 213, 274, 284, 318, 411, 426, 477, 548, 636, 639, 822, 852, 954, 1233, 1278, 1644, 1908, 2466, 2556, 3763, 4932, 7261, 7526, 9727, 11289, 14522, 15052, 19454, 21783, 22578, 29044, 29181, 33867, 38908, 43566, 45156, 58362, 65349, 67734, 87132, 87543, 116724, 130698, 135468, 175086, 261396, 350172, 515531, 1031062, 1546593, 2062124, 3093186, 4639779, 6186372, 9279558, 18559116]

約数ペア:

[(1, 18559116), (2, 9279558), (3, 6186372), (4, 4639779), (6, 3093186), (9, 2062124), (12, 1546593), (18, 1031062), (36, 515531), (53, 350172), (71, 261396), (106, 175086), (137, 135468), (142, 130698), (159, 116724), (212, 87543), (213, 87132), (274, 67734), (284, 65349), (318, 58362), (411, 45156), (426, 43566), (477, 38908), (548, 33867), (636, 29181), (639, 29044), (822, 22578), (852, 21783), (954, 19454), (1233, 15052), (1278, 14522), (1644, 11289), (1908, 9727), (2466, 7526), (2556, 7261), (3763, 4932)]