18837224

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:498

約数の個数: 64

約数和(自身を含む): 43752960

約数和(自身を除く): 24915736

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 47, 56, 68, 94, 119, 136, 188, 238, 329, 376, 421, 476, 658, 799, 842, 952, 1316, 1598, 1684, 2632, 2947, 3196, 3368, 5593, 5894, 6392, 7157, 11186, 11788, 14314, 19787, 22372, 23576, 28628, 39574, 44744, 50099, 57256, 79148, 100198, 138509, 158296, 200396, 277018, 336379, 400792, 554036, 672758, 1108072, 1345516, 2354653, 2691032, 4709306, 9418612, 18837224]

約数ペア:

[(1, 18837224), (2, 9418612), (4, 4709306), (7, 2691032), (8, 2354653), (14, 1345516), (17, 1108072), (28, 672758), (34, 554036), (47, 400792), (56, 336379), (68, 277018), (94, 200396), (119, 158296), (136, 138509), (188, 100198), (238, 79148), (329, 57256), (376, 50099), (421, 44744), (476, 39574), (658, 28628), (799, 23576), (842, 22372), (952, 19787), (1316, 14314), (1598, 11788), (1684, 11186), (2632, 7157), (2947, 6392), (3196, 5894), (3368, 5593)]